Medium severity5.5NVD Advisory· Published Nov 9, 2026
CVE-2026-125225
CVE-2026-125225
Description
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in aac_adtstoasc_filter() that allows attackers to crash applications via oversized ADTS AAC packets. Attackers can supply a crafted file with a packet over 256 MB, overflowing the bit count so init_get_bits() fails unchecked and get_bits() crashes during MP4, Matroska, FLV or LATM remuxing.
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Affected products
1Patches
Vulnerability mechanics
References
4- code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25569nvd
- github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/bsf/aac_adtstoasc.cnvd
- github.com/FFmpeg/FFmpeg/commit/3b1cbb5e0f66b85d15f1d3527436520b3f4711ecnvd
- www.vulncheck.com/advisories/ffmpeg-through-9.0.2-null-pointer-dereference-via-aac-adtstoasc-bitstream-filternvd
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