CVE-2026-65705

{"id": "CVE-2026-65705", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65705", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-24T03:56:31.323323Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.3, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://code.ffmpeg.org/FFmpeg/FFmpeg", "vendor": "FFmpeg", "product": "FFmpeg", "versions": [{"status": "affected", "version": "3.4", "versionType": "custom", "lessThanOrEqual": "8.1.2"}, {"status": "unaffected", "version": "f186c50cf53aec20e9a29059cb22ca3f2d59201c", "versionType": "git"}], "defaultStatus": "affected"}]}], "published": "2026-07-23T20:17:22.120", "references": [{"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/f186c50cf53aec20e9a29059cb22ca3f2d59201c", "tags": ["Patch"], "source": "disclosure@vulncheck.com"}, {"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23780", "tags": ["Issue Tracking", "Patch"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/ffmpeg-vf-floodfill-out-of-bounds-write-via-filter-frame", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-131"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_floodfill video filter that allows attackers to corrupt heap memory by supplying a dynamically sized video stream with filtergraph reinitialization disabled via -reinit_filter 0. When config_input() allocates the points traversal stack based on initial frame dimensions and a subsequent larger frame is processed, filter_frame() performs flood-fill neighbor pushes beyond the original allocation boundary, resulting in heap corruption and process crash with potential for code execution depending on heap layout and process hardening."}, {"lang": "es", "value": "Las versiones de FFmpeg 3.4 hasta 8.1.2 contienen una vulnerabilidad de escritura fuera de l\u00edmites en el filtro de video vf_floodfill que permite a los atacantes corromper la memoria del heap al proporcionar un flujo de video de tama\u00f1o din\u00e1mico con la reinicializaci\u00f3n del grafo de filtros deshabilitada a trav\u00e9s de -reinit_filter 0. Cuando config_input() asigna la pila de recorrido de puntos bas\u00e1ndose en las dimensiones iniciales del fotograma y se procesa un fotograma posterior m\u00e1s grande, filter_frame() realiza inserciones de vecinos de relleno por inundaci\u00f3n m\u00e1s all\u00e1 del l\u00edmite de asignaci\u00f3n original, lo que resulta en corrupci\u00f3n del heap y ca\u00edda del proceso con potencial de ejecuci\u00f3n de c\u00f3digo dependiendo del dise\u00f1o del heap y del endurecimiento del proceso."}], "lastModified": "2026-10-24T15:10:00.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28D340C7-14B8-4B23-9366-1069C9E7CF62", "versionEndIncluding": "8.1.2", "versionStartIncluding": "3.4"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}