FFmpeg through 9.0.2 contains a division by zero vulnerability in estimate_motion_b() in libavcodec/motion_est.c, caused by frame timestamp distances truncated to 16 bits. Attackers can supply input with timestamp gaps that are multiples of 65536, crashing MPEG-4 Part 2 or MPEG-1/2 B-frame encoding with SIGFPE.
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Affected Vendors & Products
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History
Tue, 10 Nov 2026 21:30:00 +0000
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ssvc
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Mon, 09 Nov 2026 19:15:00 +0000
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| Description | FFmpeg through 9.0.2 contains a division by zero vulnerability in estimate_motion_b() in libavcodec/motion_est.c, caused by frame timestamp distances truncated to 16 bits. Attackers can supply input with timestamp gaps that are multiples of 65536, crashing MPEG-4 Part 2 or MPEG-1/2 B-frame encoding with SIGFPE. | |
| Title | FFmpeg through 9.0.2 Division by Zero in B-frame Motion Estimation | |
| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
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| Weaknesses | CWE-369 | |
| CPEs | cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Ffmpeg
Ffmpeg ffmpeg |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-11-09T19:11:43.710Z
Updated: 2026-11-09T21:06:54.183Z
Reserved: 2026-11-09T18:15:23.607Z
Link: CVE-2026-125232
Updated: 2026-11-09T20:57:47.956Z
Status : Awaiting Analysis
Published: 2026-11-09T19:17:01.143
Modified: 2026-11-10T21:46:26.627
Link: CVE-2026-125232
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