CVE-2024-3855

{"id": "CVE-2024-3855", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2024-04-16T16:15:08.487", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1885828", "tags": ["Issue Tracking"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-18/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1885828", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-18/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125."}, {"lang": "es", "value": "En ciertos casos, el JIT optimiz\u00f3 incorrectamente las operaciones de MSubstr, lo que provoc\u00f3 lecturas fuera de los l\u00edmites. Esta vulnerabilidad afecta a Firefox &lt; 125."}], "lastModified": "2025-03-31T17:05:19.390", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7334A1C6-C6BF-4C70-ADF1-736BCE0EA227", "versionEndExcluding": "125.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}