CVE-2026-30754

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*", "matchCriteriaId": "866805F3-28F8-44AD-80C3-74C47A0F54ED", "versionEndExcluding": "8.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nal_send function in libavformat/rtpenc_h264_hevc.c, a negative size parameter (size=-3) is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using AddressSanitizer."}], "id": "CVE-2026-30754", "lastModified": "2026-10-15T19:25:02.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-30754", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-09T15:16:35.323659Z", "version": "2.0.3"}}]}, "published": "2026-09-08T21:17:06.990", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20746"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/momo-trip/4cddf2c9e15600873de55259dac6b0e6"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://github.com/momo-trip/poc_ffmpeg"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "ffmpeg", "vendor": "ffmpeg"}], "created": "2026-09-10T04:15:14.674457+00:00", "title": "Memory Corruption in FFmpeg RTP Encoding Leading to Potential Remote Code Execution", "updated": "2026-09-13T08:00:12.121488+00:00", "vendors": ["ffmpeg", "ffmpeg$PRODUCT$ffmpeg"]}