CVE-2026-34085

{"id": "CVE-2026-34085", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2026-03-25T17:17:09.210", "references": [{"url": "https://gitlab.freedesktop.org/fontconfig/fontconfig/-/commit/b9bec06d73340f1b5727302d13ac3df307b7febc", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/fontconfig/fontconfig/-/merge_requests/446", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/fontconfig/fontconfig/-/work_items/481", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-193"}]}], "descriptions": [{"lang": "en", "value": "fontconfig before 2.17.1 has an off-by-one error in allocation during sfnt capability handling, leading to a one-byte out-of-bounds write, and potentially a crash or code execution. This is in FcFontCapabilities in fcfreetype.c."}, {"lang": "es", "value": "fontconfig anterior a 2.17.1 tiene un error de uno en la asignaci\u00f3n durante el manejo de capacidades sfnt, lo que lleva a una escritura fuera de l\u00edmites de un byte, y potencialmente a un fallo o ejecuci\u00f3n de c\u00f3digo. Esto se encuentra en FcFontCapabilities en fcfreetype.c."}], "lastModified": "2026-03-27T21:39:33.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fontconfig_project:fontconfig:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDEDDD40-A23D-475A-BF45-FEB2A50FA1DE", "versionEndExcluding": "2.17.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}