CVE-2026-30754 in FFmpeg

Riassunto

di MITRE • 09/09/2026

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.

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• Responsabile: MITRE
• Prenotare: 04/03/2026
• Divulgazione: 09/09/2026
• Moderazione: accettato
• Voce: VDB-400514
• CPE: pronto
• CWE: CWE-119 (confermato)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso
• Settore: Education, Lawfirm, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-30754
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-30754
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-30754/