{"kind": "version", "path": "vulns/pypi/vyper/0.4.2", "name": "vyper", "product": "vyper", "ecosystem": "PyPI", "version": "0.4.2", "items": [{"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": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-40015", "noindex": false, "published": "2023-09-04T17:39:12.822Z", "modified": "2024-11-19T16:46:23.708Z", "cvss": 3.7, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "severity": "low", "epss": 0.00492, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-40015", "title": "Vyper: reversed order of side effects for some operations", "description": "Vyper is a Pythonic Smart Contract Language. For the following (probably non-exhaustive) list of expressions, the compiler evaluates the arguments from right to left instead of left to right. `unsafe_add, unsafe_sub, unsafe_mul, unsafe_div, pow_mod256, |, &, ^ (bitwise operators), bitwise_or (deprecated), bitwise_and (deprecated), bitwise_xor (deprecated), raw_call, <, >, <=, >=, ==, !=, in, not in (when lhs and rhs are enums)`. This behaviour becomes a problem when the evaluation of one of the arguments produces side effects that other arguments depend on. The following expressions can produce side-effect: state modifying external call , sta", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-g2xh-c426-v8mf", "https://nvd.nist.gov/vuln/detail/CVE-2023-40015"], "fixes": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}, {"id": "CVE-2023-39363", "noindex": false, "published": "2023-08-07T18:40:25.615Z", "modified": "2024-10-11T14:05:03.824Z", "cvss": 9.1, "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:A", "severity": "critical", "epss": 0.00821, "kev": false, "exploits": [], "stacks": [{"name": "python", "path": "vulns/stack/python", "slug": "python"}], "path": "vulns/cve-2023-39363", "title": "Vyper incorrectly allocated named re-entrancy locks", "description": "Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock regardless of the key, allowing cross-function re-entrancy in contracts compiled with the susceptible versions. A specific set of conditions is required to result in misbehavior of affected contracts, specifically: a `.vy` contract compiled with `vyper` versions `0.2.15`, `0.2.16`, or `0.3.0`; a primary function that utilizes the `@nonreentrant` decorator with a specific `key` and does not strictly follow the ", "references": ["https://github.com/vyperlang/vyper/security/advisories/GHSA-5824-cm3x-3c38", "https://github.com/vyperlang/vyper/pull/2439", "https://github.com/vyperlang/vyper/pull/2514"], "fixes": [], "products": [{"name": "vyper", "path": "vulns/pypi/vyper", "ecosystem": "PyPI"}]}], "total": 3, "unknown_count": 16, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": true, "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": 0, "kev": 0}, "lastmod": "2025-04-24T14:39:51.551Z", "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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