FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output.
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Affected Vendors & Products
References
History
Wed, 19 Aug 2026 18:15:00 +0000
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| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
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| Vendors & Products |
Ffmpeg
Ffmpeg ffmpeg |
Wed, 19 Aug 2026 16:45:00 +0000
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| Description | FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, causing a heap buffer overflow when the crafted input is packetized for RTP output. | |
| Title | FFmpeg Heap Buffer Overflow in VC-2/Dirac RTP Packetizer | |
| Weaknesses | CWE-122 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-19T16:26:53.987Z
Updated: 2026-08-20T15:21:56.366Z
Reserved: 2026-08-17T18:39:57.662Z
Link: CVE-2026-75144
No data.
Status : Received
Published: 2026-08-19T17:21:12.720
Modified: 2026-08-20T16:18:02.593
Link: CVE-2026-75144
No data.