CVE-2026-65704 - CERT CVE
ID CVE-2026-65704
Sažetak FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demux_audio() function decrements packet size without bounds checking, producing a negative size value that is passed to memcpy() in shorten_decode_frame(), where conversion to size_t wraps the value to near SIZE_MAX and triggers reads beyond the source allocation and writes far beyond the Shorten decoder's bitstream buffer.
Reference
CVSS
Base: 7.8
Impact: 5.9
Exploitability:1.8
Pristup
VektorSloženostAutentikacija
LOCAL LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
HIGH HIGH HIGH
CVSS vektor CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Zadnje važnije ažuriranje 27-07-2026 - 20:34
Objavljeno 23-07-2026 - 20:17