FFmpeg through 9.0.2 contains an uninitialized memory use vulnerability in the C93 video decoder in libavcodec/c93.c, where decode_frame() never checks how many color table bytes were copied. Attackers can supply a crafted truncated Interplay C93 file so draw_n_color() writes uninitialized stack bytes into decoded frames, disclosing stack memory contents.
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Affected Vendors & Products
References
History
Mon, 09 Nov 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | FFmpeg through 9.0.2 contains an uninitialized memory use vulnerability in the C93 video decoder in libavcodec/c93.c, where decode_frame() never checks how many color table bytes were copied. Attackers can supply a crafted truncated Interplay C93 file so draw_n_color() writes uninitialized stack bytes into decoded frames, disclosing stack memory contents. | |
| Title | FFmpeg through 9.0.2 C93 Decoder Uninitialized Stack Memory Disclosure | |
| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
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| Weaknesses | CWE-908 | |
| 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: 2026-11-09T19:10:52.203Z
Updated: 2026-11-09T23:02:55.072Z
Reserved: 2026-11-09T17:44:23.163Z
Link: CVE-2026-125095
No data.
Status : Awaiting Analysis
Published: 2026-11-09T19:16:50.287
Modified: 2026-11-10T21:46:31.037
Link: CVE-2026-125095
No data.
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