CVE-2026-125269 - CERT CVE
ID CVE-2026-125269
Sažetak FFmpeg through 9.0.2 contains a double free vulnerability in libavcodec/cbs_sei.c where cbs_sei_delete_message() leaves a stale extension_data reference that ff_cbs_sei_add_message() reuses. Attackers can supply a crafted H.264 stream with a display orientation SEI message followed by payload extension data, processed by h264_metadata with display_orientation=insert, to corrupt heap memory.
Reference
CVSS
Base: 7.0
Impact: 5.9
Exploitability:1.0
Pristup
VektorSloženostAutentikacija
LOCAL HIGH NONE
Impact
PovjerljivostCjelovitostDostupnost
HIGH HIGH HIGH
CVSS vektor CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Zadnje važnije ažuriranje 14-11-2026 - 03:17
Objavljeno 09-11-2026 - 20:18