Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : libde265 vulnerability (USN-8909-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8909-1 advisory. It was discovered that libde265 did not properly validate certain crafted H.265 bitstreams, leading to...

PT-2026-67688

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in decoder context::process reference picture set libde265/decctx.cc:1376. The root cause is a missing aggregate bound check on predicted...

CVE-2026-64831

FFmpeg versions 8.0 through 8.1.2 contains a stack buffer overflow vulnerability in the Vulkan HEVC hardware decoder that allows remote attackers to overwrite return addresses and adjacent stack frames by supplying a crafted HEVC/H.265 bitstream. Attackers can embed a malicious vpsnumhrdparameter...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the de265imagegetbuffer function when processing a crafted H.265 bitstream containing large SPS dimensions and 16-bit bit depth. An attacker can cause a heap buffer overflow by supplying a specially...

CVE-2026-49295

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in "decodercontext::processreferencepictureset" "libde265/decctx.cc:1376". The root cause is a missing aggregate bound check on predicted...

CVE-2026-49295: Out-of-bounds Write

libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted H.265 bitstream can cause an out-of-bounds array write in decodercontext::processreferencepictureset libde265/decctx.cc:1376. The root cause is a missing aggregate bound check on predicted...