{"kind": "product", "path": "vulns/ubuntu-20.04-lts/firefox", "name": "firefox", "product": "firefox", "ecosystem": "Ubuntu:20.04:LTS", "items": [{"id": "CVE-2025-1943", "noindex": false, "published": "2025-03-04T13:31:27.514Z", "modified": "2026-04-13T14:30:29.965Z", "cvss": 8.2, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "severity": "high", "epss": 0.00434, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1943", "title": "Memory safety bugs fixed in Firefox 136 and Thunderbird 136", "description": "Memory safety bugs present in Firefox 135 and Thunderbird 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136 and Thunderbird 136.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1869650%2C1938451%2C1940326%2C1944052%2C1944063%2C1947281", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-17/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1938", "noindex": false, "published": "2025-03-04T13:31:27.167Z", "modified": "2026-04-13T14:27:47.492Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "severity": "medium", "epss": 0.00337, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1938", "title": "Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8", "description": "Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1922889%2C1935004%2C1943586%2C1943912%2C1948111", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-16/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1937", "noindex": false, "published": "2025-03-04T13:31:26.780Z", "modified": "2026-04-13T14:27:45.714Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.00562, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1937", "title": "Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8", "description": "Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1938471%2C1940716", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-15/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1936", "noindex": false, "published": "2025-03-04T13:31:26.282Z", "modified": "2026-04-13T14:27:43.945Z", "cvss": 7.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "high", "epss": 0.00447, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1936", "title": "Adding %00 and a fake extension to a jar: URL  changed the interpretation of the contents", "description": "jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1940027", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-16/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1935", "noindex": false, "published": "2025-03-04T13:31:25.890Z", "modified": "2026-06-04T16:43:23.844Z", "cvss": 4.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "severity": "medium", "epss": 0.00343, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1935", "title": "Clickjacking the registerProtocolHandler info-bar", "description": "A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1866661", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-16/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1942", "noindex": false, "published": "2025-03-04T13:31:25.504Z", "modified": "2026-06-04T16:42:43.588Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00479, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1942", "title": "Disclosure of uninitialized memory when .toUpperCase() causes string to get longer", "description": "When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1947139", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-17/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1934", "noindex": false, "published": "2025-03-04T13:31:24.734Z", "modified": "2026-06-04T16:41:47.458Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.00453, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1934", "title": "Unexpected GC during RegExp bailout processing", "description": "It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1942881", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-16/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1933", "noindex": false, "published": "2025-03-04T13:31:23.856Z", "modified": "2026-06-04T14:47:53.955Z", "cvss": 7.6, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "severity": "high", "epss": 0.00319, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1933", "title": "JIT corruption of WASM i32 return values on 64-bit CPUs", "description": "On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1946004", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-15/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1932", "noindex": false, "published": "2025-03-04T13:31:23.551Z", "modified": "2026-06-04T14:47:23.841Z", "cvss": 8.1, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "severity": "high", "epss": 0.00423, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1932", "title": "Inconsistent comparator in XSLT sorting led to out-of-bounds access", "description": "An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1944313", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-16/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1931", "noindex": false, "published": "2025-03-04T13:31:23.221Z", "modified": "2026-04-13T14:27:33.349Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.00538, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1931", "title": "Use-after-free in WebTransportChild", "description": "It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1944126", "https://www.mozilla.org/security/advisories/mfsa2025-14/", "https://www.mozilla.org/security/advisories/mfsa2025-15/"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1414", "noindex": false, "published": "2025-02-18T13:39:33.402Z", "modified": "2026-04-13T14:31:40.764Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "severity": "medium", "epss": 0.00453, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1414", "title": "Memory safety bugs fixed in Firefox 135.0.1", "description": "Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1943179", "https://www.mozilla.org/security/advisories/mfsa2025-12/", "https://nvd.nist.gov/vuln/detail/CVE-2025-1414"], "fixes": ["136.0+build3-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1020", "noindex": false, "published": "2025-02-04T13:58:56.390Z", "modified": "2026-04-13T14:25:25.512Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.0054, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1020", "title": "Memory safety bugs fixed in Firefox 135 and Thunderbird 135", "description": "Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135 and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-11/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1017", "noindex": false, "published": "2025-02-04T13:58:56.028Z", "modified": "2026-04-13T14:25:23.811Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00579, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1017", "title": "Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7", "description": "Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1926256%2C1935984%2C1935471", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-09/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1016", "noindex": false, "published": "2025-02-04T13:58:55.672Z", "modified": "2026-04-13T14:25:22.068Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00592, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1016", "title": "Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7", "description": "Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/buglist.cgi?bug_id=1936601%2C1936844%2C1937694%2C1938469%2C1939583%2C1940994", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-08/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1014", "noindex": false, "published": "2025-02-04T13:58:54.940Z", "modified": "2026-04-13T14:25:20.384Z", "cvss": 8.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.0039, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1014", "title": "Certificate length was not properly checked", "description": "Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1940804", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-09/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1013", "noindex": false, "published": "2025-02-04T13:58:54.445Z", "modified": "2026-04-13T14:25:18.645Z", "cvss": 6.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "severity": "medium", "epss": 0.00325, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1013", "title": "Potential opening of private browsing tabs in normal browsing windows", "description": "A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1932555", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-09/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1019", "noindex": false, "published": "2025-02-04T13:58:54.064Z", "modified": "2026-04-13T14:25:16.746Z", "cvss": 4.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "severity": "medium", "epss": 0.00362, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1019", "title": "Fullscreen notification not properly displayed", "description": "The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1940162", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-11/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1012", "noindex": false, "published": "2025-02-04T13:58:53.687Z", "modified": "2026-04-13T14:25:14.718Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00452, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1012", "title": "Use-after-free during concurrent delazification", "description": "A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1939710", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-08/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1011", "noindex": false, "published": "2025-02-04T13:58:53.239Z", "modified": "2026-04-13T14:25:12.907Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.00633, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1011", "title": "A bug in WebAssembly code generation could result in a crash", "description": "A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1936454", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-09/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}, {"id": "CVE-2025-1018", "noindex": false, "published": "2025-02-04T13:58:52.807Z", "modified": "2026-04-13T14:25:10.866Z", "cvss": 7.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "high", "epss": 0.00416, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2025-1018", "title": "Fullscreen notification is not displayed when fullscreen is re-requested", "description": "The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.", "references": ["https://bugzilla.mozilla.org/show_bug.cgi?id=1910818", "https://www.mozilla.org/security/advisories/mfsa2025-07/", "https://www.mozilla.org/security/advisories/mfsa2025-11/"], "fixes": ["135.0+build2-0ubuntu0.20.04.1"], "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}]}], "total": 714, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 36, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "firefox", "path": "vulns/ubuntu-20.04-lts/firefox", "ecosystem": "Ubuntu:20.04:LTS"}], "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": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-06-04T16:43:23.844Z", "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. News is credited with a link to the original source in each entry.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. 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DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Upstream licenses vary; see the source catalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Free public scores; attribution requested (FIRST EPSS, scores generated by Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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