USN-8957-1: authd vulnerability
USN-8957-1
Summary
It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-64830)
It was discovered that FFmpeg incorrectly handled certain crafted DTS audio streams in the S/PDIF muxer. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. (CVE-2026-64833)
It was discovered that FFmpeg incorrectly handled certain crafted RTP/ASF streams. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-64834)
It was discovered that FFmpeg incorrectly handled certain crafted ADX audio files. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-64835)
It was discovered that FFmpeg incorrectly handled certain crafted AVI files in the TDSC video decoder. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-65703)
It was discovered that FFmpeg incorrectly handled certain crafted ffconcat files processed via the TY demuxer. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-65704)
It was discovered that FFmpeg incorrectly handled certain crafted video streams in the vf_floodfill video filter. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-65705)
It was discovered that FFmpeg incorrectly handled certain crafted NV12 video frames in the vf_swaprect video filter. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-65706)
It was discovered that FFmpeg incorrectly handled certain crafted hvcC NAL arrays in the HEVC parser. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75141)
It was discovered that FFmpeg incorrectly handled certain crafted MPEG system headers. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75142)
It was discovered that FFmpeg incorrectly handled certain crafted network input in the librist protocol handler. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-75143)
It was discovered that FFmpeg incorrectly handled certain crafted Dirac data units in the VC2 HQ RTP pac
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 13
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.