Read the docs
TI-2025-07863 Aliases CVE-2025-8586GHSA-hw46-xx2p-6vfg

libav MPEG File Parser utils.c ff_seek_frame_binary null pointer dereference

Priority MEDIUM 55CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

A vulnerability, which was classified as problematic, was found in libav up to 12.3. This affects the function ff_seek_frame_binary of the file /libavformat/utils.c of the component MPEG File Parser. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—libav12.0; 12.1; 12.2; 12.3—No fix listedCNA
  • libav Vendor— Affected 12.0; 12.1; 12.2; 12.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*up to 12.3VulnerableLibav
  • cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:* Versions up to 12.3 Vulnerable ·Libav

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8586
  2. 2026-10-03 Alias added: GHSA-hw46-xx2p-6vfg

References

Exploit 2

  • TI-2025-07862 libav DSS File Demuxer avconv.c main double free CVSS 4.0MEDIUM 4.8
  • TI-2025-07861 libav AVI File Parser buffer.c av_buffer_unref null pointer dereference CVSS 4.0MEDIUM 4.8
  • TI-2014-03250 Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors. CVSS 2.0HIGH 10.0
  • TI-2012-04335 Google Chrome before 23.0.1271.97, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5… CVSS 2.0HIGH 10.0
  • TI-2012-02425 Double free vulnerability in the mpeg_decode_frame function in libavcodec/mpeg12.c in… CVSS 2.0HIGH 10.0
  • TI-2012-02418 Unspecified vulnerability in the vc1_decode_frame function in libavcodec/vc1dec.c in… CVSS 2.0HIGH 10.0
See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences