CVE-2026-107676
Discovered by AISLEPUBLISHEDCWE-908
Description
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in av_dynamic_hdr_plus_to_t35() that leaves up to three payload bytes uninitialized when tone_mapping_flag is 0. Attackers can supply crafted Matroska T.35 BlockAdditional or HEVC/AV1 SEI metadata so that remuxing or transcoding writes leaked process memory into output files.
CVSS Base Scores
CVSS v4.04.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Version | Status |
|---|---|---|---|
| FFmpeg | — | — |