CVE-2026-120247 - FFmpeg 2.3 through 9.0.2 Huffyuv Decoder Uninitialized Heap Memory Disclosure

CVE-2026-120247 - FFmpeg 2.3 through 9.0.2 Huffyuv Decoder Uninitialized Heap Memory Disclosure

https://cvefeed.io/rssfeed/latest.atom / Sun, 11/01/2026 - 04:27
CVE ID :CVE-2026-120247
Published : Nov. 1, 2026, 1:17 a.m. | 2 hours, 7 minutes ago
Description :FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that allows attackers to leak heap memory into decoded pixels via short packed-BGR bitstreams. Attackers can craft a Huffyuv BGR24/BGRA video whose entropy data ends early, causing decode_slice() to add uninitialized s->temp[0] bytes into output frames, exposing heap contents.
Severity: 6.8 | MEDIUM
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