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Vulnerabilities

Vulnerability · CVE-2026-52297

FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.

Published Sep 13, 2026 · catalog updated Oct 14, 2026 · FFmpeg before 9.0 has

Check if you run it

No confirmed exploitation is on record for CVE-2026-52297. EPSS is 0.12%. Act only if a listed version of FFmpeg before 9.0 has is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (FFmpeg before 9.0 has).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.12%
Remediation
Advisory link
Affected products
cpe ffmpeg/ffmpeg

FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ffmpeg/ffmpegversion unspecified

How to fix CVE-2026-52297

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-52297. EPSS is 0.12%. Act only if a listed version of FFmpeg before 9.0 has is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-125: Out-of-bounds Read. EPSS 0.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 13, 2026 · NIST NVD

    Detected

    FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.

  2. Oct 14, 2026 · NIST NVD

    Updated

    FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.

Sources

  • CVE.orgVulnerability recordCVE-2026-52297

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-52297

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-52297

    FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.