CVE-2025-6424

{"id": "CVE-2025-6424", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-6424", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-06-25T12:36:06.501007Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "115.25", "versionType": "rpm", "lessThanOrEqual": "115.*"}, {"status": "unaffected", "version": "128.12", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "140", "versionType": "rpm", "lessThanOrEqual": "*"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "128.12", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "140", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-06-24T13:15:23.273", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1966423", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-52/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-53/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-54/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-55/", "source": "security@mozilla.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00029.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12."}, {"lang": "es", "value": "Use-after-free en FontFaceSet provoc\u00f3 un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox < 140, Firefox ESR anterior a 115.25 y Firefox ESR anterior a 128.12."}], "lastModified": "2026-10-23T22:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "CC066347-9B64-4991-AD04-A52785491963", "versionEndExcluding": "115.25.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E", "versionEndExcluding": "140.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "152204C0-14F9-4342-8BDF-EE016A70C203", "versionEndExcluding": "128.12.0", "versionStartIncluding": "116.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}