FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/lcevcdec.c because LCEVC output picture dimensions are not validated against the allocated frame. Attackers can embed crafted LCEVC enhancement data with differing global configurations in H.264 or HEVC streams to corrupt heap memory in decoding applications.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 09 Nov 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/lcevcdec.c because LCEVC output picture dimensions are not validated against the allocated frame. Attackers can embed crafted LCEVC enhancement data with differing global configurations in H.264 or HEVC streams to corrupt heap memory in decoding applications. | |
| Title | FFmpeg through 9.0.2 Heap Buffer Overflow via LCEVC Enhancement Decoding | |
| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
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| Weaknesses | CWE-787 | |
| 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:
Updated: 2026-11-09T19:12:04.655Z
Reserved: 2026-11-09T18:15:34.069Z
Link: CVE-2026-125262
No data.
Status : Received
Published: 2026-11-09T20:18:12.657
Modified: 2026-11-09T20:18:12.657
Link: CVE-2026-125262
No data.
OpenCVE Enrichment
No data.
Weaknesses