{"kind": "product", "path": "vulns/pypi/vyper", "name": "vyper", "product": "vyper", "ecosystem": "PyPI", "items": [{"id": "CVE-2021-48020", "noindex": false, "published": "2026-10-21T00:36:19.625Z", "modified": "2026-10-21T00:36:19.625Z", "cvss": 8.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00284, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2021-48020", "title": "Vyper before 0.3.0 Memory Corruption via Internal Function Calls in Arrays", "description": "Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect stack tip pointer when internal function calls are performed inside arrays. Contracts placing internal calls in nested array elements, external call arguments, struct literals, or raw_log topics can have memory corrupted, producing incorrect contract behavior.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-22wc-c9wj-6q2v", "https://www.vulncheck.com/advisories/vyper-before-0.3.0-memory-corruption-via-internal-function-calls-in-arrays", "https://nvd.nist.gov/vuln/detail/CVE-2021-48020"], "fixes": ["0.2.12"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2021-48019", "noindex": false, "published": "2026-10-21T00:36:18.960Z", "modified": "2026-10-21T00:36:18.960Z", "cvss": 6.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00248, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2021-48019", "title": "Vyper before 0.2.9 Incorrect RETURNDATASIZE in create_forwarder_to Proxies", "description": "Vyper before 0.2.9 deploys forwarder proxies through the built-in create_forwarder_to function that report a fixed 4096-byte RETURNDATASIZE rather than the actual return data size. Calls through these proxies can yield corrupted data when a function returns more than 4096 bytes without return data sanitation, and fail strict return-size checks such as SafeERC20.safeTransfer.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-375m-5fvv-xq23", "https://www.vulncheck.com/advisories/vyper-before-0.2.9-incorrect-returndatasize-in-create-forwarder-to-proxies", "https://nvd.nist.gov/vuln/detail/CVE-2021-48019"], "fixes": ["0.2.9"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2021-48018", "noindex": false, "published": "2026-10-21T00:36:18.265Z", "modified": "2026-10-23T14:57:15.214Z", "cvss": 8.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00391, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2021-48018", "title": "Vyper 0.2.13 before 0.2.15 Storage Corruption via @nonreentrant Decorator", "description": "Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function using @nonreentrant is called, setting the lock overwrites the overlapping storage variable, corrupting contract state and breaking the contract's intended logic.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-7f92-rr6w-cq64", "https://www.vulncheck.com/advisories/vyper-0.2.13-before-0.2.15-storage-corruption-via-nonreentrant-decorator", "https://nvd.nist.gov/vuln/detail/CVE-2021-48018"], "fixes": ["0.2.15"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2020-37289", "noindex": false, "published": "2026-10-21T00:36:17.573Z", "modified": "2026-10-21T00:36:17.573Z", "cvss": 6.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00261, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2020-37289", "title": "Vyper before 0.3.1 Improper Input Validation of uint8 Interface Return Values", "description": "Vyper before 0.3.1 lacks a uint8 type, allowing interface return values declared as uint8, such as ERC20.decimals(), to be stored in uint256 variables without bounds checking. Malicious contracts can return values greater than 255 to manipulate or bypass contract logic that relies on these values.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-mr6r-mvw4-736g", "https://www.vulncheck.com/advisories/vyper-before-0.3.1-improper-input-validation-of-uint8-interface-return-values", "https://nvd.nist.gov/vuln/detail/CVE-2020-37289"], "fixes": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2020-37288", "noindex": false, "published": "2026-10-21T00:36:16.926Z", "modified": "2026-10-21T15:51:17.564Z", "cvss": 6.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00347, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2020-37288", "title": "Vyper 0.1.0b10 before 0.2.3 Invalid Jump Destination via Return in Nested Loops", "description": "Vyper from 0.1.0b10 before 0.2.3 generates incorrect code for a return statement inside a for loop in an internal function called two or more internal calls deep, producing an invalid jump destination (stack underflow). Affected contracts revert such calls unnecessarily, which in limited circumstances could enable denial of service against public contracts.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-vg88-3v92-rjx2", "https://www.vulncheck.com/advisories/vyper-0.1-0b10-before-0.2.3-invalid-jump-destination-via-return-in-nested-loops", "https://nvd.nist.gov/vuln/detail/CVE-2020-37288"], "fixes": ["0.2.3"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2020-37287", "noindex": false, "published": "2026-10-21T00:36:16.257Z", "modified": "2026-10-21T00:36:16.257Z", "cvss": 8.2, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00251, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2020-37287", "title": "Vyper before 0.2.6 Call Stack Corruption via Complex Type Function Arguments", "description": "Vyper before 0.2.6 contains a call stack corruption vulnerability that causes incorrect function outputs when complex types with non-base members are passed as arguments. Contracts passing multi-dimensional arrays or structs to internal or external functions receive corrupted values because the compiler assumed each subtype size is 32.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-4v7v-gqf9-ww2g", "https://www.vulncheck.com/advisories/vyper-before-0.2.6-call-stack-corruption-via-complex-type-function-arguments", "https://nvd.nist.gov/vuln/detail/CVE-2020-37287"], "fixes": ["0.2.6"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2020-37286", "noindex": false, "published": "2026-10-21T00:36:15.568Z", "modified": "2026-10-21T00:36:15.568Z", "cvss": 8.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00284, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2020-37286", "title": "Vyper 0.1.0b4 before 0.3.0 Memory Corruption via Nested Internal Function Calls", "description": "Vyper from 0.1.0b4 before 0.3.0 contains a memory corruption vulnerability caused by an incorrect stack tip pointer when internal function calls appear inside tuples or nested calls. Contracts using such calls as tuple elements, call arguments, or builtin arguments like concat or ecrecover can return corrupted values or pass wrong arguments to external calls.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-2r3x-4mrv-mcxf", "https://www.vulncheck.com/advisories/vyper-0.1-0b4-before-0.3.0-memory-corruption-via-nested-internal-function-calls", "https://nvd.nist.gov/vuln/detail/CVE-2020-37286"], "fixes": ["0.2.6"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-47774", "noindex": false, "published": "2025-05-15T17:38:58.487Z", "modified": "2025-05-15T18:33:29.976Z", "cvss": 2.9, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "severity": "low", "epss": 0.00479, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-47774", "title": "Vyper's `slice()` may elide side-effects when output length is 0", "description": "Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, the `slice()` builtin can elide side effects when the output length is 0, and the source bytestring is a builtin (`msg.data` or `<address>.code`). The reason is that for these source locations, the check that `length >= 1` is skipped. The result is that a 0-length bytestring constructed with slice can be passed to `make_byte_array_copier`, which elides evaluation of its source argument when the max length is 0. The impact is that side effects in the `start` argument may be elided when the `length` argument is 0, e.g. `slice(m", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-3vcg-j39x-cwfm", "https://github.com/vyperlang/vyper/pull/4645", "https://github.com/vyperlang/vyper/blob/68b68c4b30c5ef2f312b4674676170b8a6eaa316/vyper/builtins/functions.py#L315-L319"], "fixes": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-47285", "noindex": false, "published": "2025-05-15T17:24:03.442Z", "modified": "2025-05-15T18:37:33.747Z", "cvss": 2.9, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "severity": "low", "epss": 0.00464, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-47285", "title": "Vyper's `concat()` builtin may elide side-effects for zero-length arguments", "description": "Vyper is the Pythonic Programming Language for the Ethereum Virtual Machine. In versions up to and including 0.4.2rc1, `concat()` may skip evaluation of side effects when the length of an argument is zero. This is due to a fastpath in the implementation which skips evaluation of argument expressions when their length is zero. In practice, it would be very unusual in user code to construct zero-length bytestrings using an expression with side-effects, since zero-length bytestrings are typically constructed with the empty literal `b\"\"`; the only way to construct an empty bytestring which has side effects would be with the ternary operator intro", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-qhr6-mgqr-mchm", "https://github.com/vyperlang/vyper/pull/4644", "https://github.com/vyperlang/vyper/blob/68b68c4b30c5ef2f312b4674676170b8a6eaa316/vyper/builtins/functions.py#L560-L562"], "fixes": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-26622", "noindex": false, "published": "2025-02-21T21:36:19.063Z", "modified": "2025-02-22T15:34:42.831Z", "cvss": 2.3, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "severity": "low", "epss": 0.00327, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-26622", "title": "sqrt doesn't define rounding behavior in Vyper", "description": "vyper is a Pythonic Smart Contract Language for the EVM. Vyper `sqrt()` builtin uses the babylonian method to calculate square roots of decimals. Unfortunately, improper handling of the oscillating final states may lead to sqrt incorrectly returning rounded up results. This issue is being addressed and a fix is expected in version 0.4.1. Users are advised to upgrade as soon as the patched release is available. There are no known workarounds for this vulnerability.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-2p94-8669-xg86", "https://github.com/vyperlang/vyper/pull/4486", "https://nvd.nist.gov/vuln/detail/CVE-2025-26622"], "fixes": ["0.4.1"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-27104", "noindex": false, "published": "2025-02-21T21:32:24.621Z", "modified": "2025-02-22T15:35:56.497Z", "cvss": 2.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "severity": "low", "epss": 0.00447, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-27104", "title": "double eval in For List Iter in Vyper", "description": "vyper is a Pythonic Smart Contract Language for the EVM. Multiple evaluation of a single expression is possible in the iterator target of a for loop. While the iterator expression cannot produce multiple writes, it can consume side effects produced in the loop body (e.g. read a storage variable updated in the loop body) and thus lead to unexpected program behavior. Specifically, reads in iterators which contain an ifexp (e.g. `for s: uint256 in ([read(), read()] if True else [])`) may interleave reads with writes in the loop body. Vyper for loops allow two kinds of iterator targets, namely the `range()` builtin and an iterable type, like SArr", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-h33q-mhmp-8p67", "https://github.com/vyperlang/vyper/pull/4488", "https://nvd.nist.gov/vuln/detail/CVE-2025-27104"], "fixes": ["0.4.1"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-27105", "noindex": false, "published": "2025-02-21T21:27:28.056Z", "modified": "2025-02-22T15:37:28.734Z", "cvss": 2.3, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "severity": "low", "epss": 0.0057, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-27105", "title": "AugAssign evaluation order causing OOB write within the object in Vyper", "description": "vyper is a Pythonic Smart Contract Language for the EVM. Vyper handles AugAssign statements by first caching the target location to avoid double evaluation. However, in the case when target is an access to a DynArray and the rhs modifies the array, the cached target will evaluate first, and the bounds check will not be re-evaluated during the write portion of the statement. This issue has been addressed in version 0.4.1 and all users are advised to upgrade. There are no known workarounds for this vulnerability.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-4w26-8p97-f4jp", "https://nvd.nist.gov/vuln/detail/CVE-2025-27105"], "fixes": ["0.4.1"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2025-21607", "noindex": false, "published": "2025-01-14T17:32:58.169Z", "modified": "2025-04-24T14:39:51.551Z", "cvss": 2.3, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "severity": "low", "epss": 0.00672, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2025-21607", "title": "Success of Certain Precompile Calls not Checked in Vyper", "description": "Vyper is a Pythonic Smart Contract Language for the EVM. When the Vyper Compiler uses the precompiles EcRecover (0x1) and Identity (0x4), the success flag of the call is not checked. As a consequence an attacker can provide a specific amount of gas to make these calls fail but let the overall execution continue. Then the execution result can be incorrect. Based on EVM's rules, after the failed precompile the remaining code has only 1/64 of the pre-call-gas left (as 63/64 were forwarded and spent). Hence, only fairly simple executions can follow the failed precompile calls. Therefore, we found no significantly impacted real-world contracts. No", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-vgf2-gvx8-xwc3", "https://github.com/vyperlang/vyper/pull/4451", "https://github.com/vyperlang/vyper/commit/7136eab0a254aa2ff7ddca41cc05f2ee1fa99caf"], "fixes": ["0.4.1"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}, {"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32649", "noindex": false, "published": "2024-04-25T17:53:01.072Z", "modified": "2024-08-02T02:13:40.270Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00455, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32649", "title": "vyper performs double eval of the argument of sqrt", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the `sqrt` builtin can result in double eval vulnerability when the argument has side-effects. It can be seen that the `build_IR` function of the `sqrt` builtin doesn't cache the argument to the stack. As such, it can be evaluated multiple times (instead of retrieving the value from the stack). No vulnerable production contracts were found. Additionally, double evaluation of side-effects should be easily discoverable in client tests. As such, the impact is low. As of time of publication, no fixed versions are available.\n", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-5jrj-52x8-m64h", "https://nvd.nist.gov/vuln/detail/CVE-2024-32649"], "fixes": ["0.4.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32648", "noindex": false, "published": "2024-04-25T17:48:32.135Z", "modified": "2024-08-02T02:13:40.467Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00415, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32648", "title": "vyper default functions don't respect nonreentrancy keys", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Prior to version 0.3.0, default functions don't respect nonreentrancy keys and the lock isn't emitted. No vulnerable production contracts were found. Additionally, using a lock on a `default` function is a very sparsely used pattern. As such, the impact is low. Version 0.3.0 contains a patch for the issue.\n", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-m2v9-w374-5hj9", "https://github.com/vyperlang/vyper/issues/2455", "https://github.com/vyperlang/vyper/commit/93287e5ac184b53b395c907d40701f721daf8177"], "fixes": ["0.3.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}, {"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32647", "noindex": false, "published": "2024-04-25T17:41:44.052Z", "modified": "2024-08-02T02:13:40.122Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00455, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32647", "title": "vyper performs double eval of raw_args in create_from_blueprint", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the `create_from_blueprint` builtin can result in a double eval vulnerability when `raw_args=True` and the `args` argument has side-effects. It can be seen that the `_build_create_IR` function of the `create_from_blueprint` builtin doesn't cache the mentioned `args` argument to the stack. As such, it can be evaluated multiple times (instead of retrieving the value from the stack). No vulnerable production contracts were found. Additionally, double evaluation of side-effects should be easily discoverable in client tests. As such, t", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-3whq-64q2-qfj6", "https://github.com/vyperlang/vyper/blob/cedf7087e68e67c7bfbd47ae95dcb16b81ad2e02/vyper/builtins/functions.py#L1847", "https://nvd.nist.gov/vuln/detail/CVE-2024-32647"], "fixes": ["0.4.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32646", "noindex": false, "published": "2024-04-25T17:21:59.687Z", "modified": "2024-08-02T02:13:40.232Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00455, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32646", "title": "vyper performs double eval of the slice args when buffer from adhoc locations", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the `slice` builtin can result in a double eval vulnerability when the buffer argument is either `msg.data`, `self.code` or `<address>.code` and either the `start` or `length` arguments have side-effects. It can be easily triggered only with the versions `<0.3.4` as `0.3.4` introduced the unique symbol fence. No vulnerable production contracts were found. Additionally, double evaluation of side-effects should be easily discoverable in client tests. As such, the impact is low. As of time of publication, no fixed versions are availa", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-r56x-j438-vw5m", "https://nvd.nist.gov/vuln/detail/CVE-2024-32646"], "fixes": ["0.4.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32645", "noindex": false, "published": "2024-04-25T17:18:27.026Z", "modified": "2024-08-02T02:13:40.291Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00455, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32645", "title": "vyper performs incorrect topic logging in raw_log", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, incorrect values can be logged when `raw_log` builtin is called with memory or storage arguments to be used as topics. A contract search was performed and no vulnerable contracts were found in production. The `build_IR` function of the `RawLog` class fails to properly unwrap the variables provided as topics. Consequently, incorrect values are logged as topics. As of time of publication, no fixed version is available.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-xchq-w5r3-4wg3", "https://nvd.nist.gov/vuln/detail/CVE-2024-32645"], "fixes": ["0.4.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-32481", "noindex": false, "published": "2024-04-25T17:00:54.082Z", "modified": "2024-08-02T02:13:39.300Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00798, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-32481", "title": "vyper's range(start, start + N) reverts for negative numbers", "description": "Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Starting in version 0.3.8 and prior to version 0.4.0b1, when looping over a `range` of the form `range(start, start + N)`, if `start` is negative, the execution will always revert. This issue is caused by an incorrect assertion inserted by the code generation of the range `stmt.parse_For_range()`. The issue arises when `start` is signed, instead of using `sle`, `le` is used and `start` is interpreted as an unsigned integer for the comparison. If it is a negative number, its 255th bit is set to `1` and is hence interpreted as a very large unsigned integer making the ", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-ppx5-q359-pvwj", "https://github.com/vyperlang/vyper/commit/3de1415ee77a9244eb04bdb695e249d3ec9ed868", "https://github.com/vyperlang/vyper/commit/5319cfbe14951e007ccdb323257e5ada869b35d5"], "fixes": ["0.4.0", "0.4.0b1"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}, {"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2024-24564", "noindex": false, "published": "2024-02-26T20:16:13.604Z", "modified": "2024-10-25T20:33:03.845Z", "cvss": 3.7, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "low", "epss": 0.00565, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2024-24564", "title": "Vyper extract32 can ready dirty memory", "description": "Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-4hwq-4cpm-8vmx", "https://github.com/vyperlang/vyper/commit/3d9c537142fb99b2672f21e2057f5f202cde194f", "https://nvd.nist.gov/vuln/detail/CVE-2024-24564"], "fixes": ["0.4.0"], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}, {"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}], "total": 47, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 3, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": ["0.5.0b1", "0.5.0a3", "0.5.0a2", "0.5.0a1", "0.4.3rc1", "0.4.3", "0.4.2rc1", "0.4.2", "0.4.1rc3", "0.4.1rc2", "0.4.1rc1", "0.4.1b4"], "stats": {"recent": 7, "kev": 0}, "lastmod": "2026-10-23T14:57:15.214Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. 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