CVE-2025-52290

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-19 · updated 2026-10-28
Weakness: CWE-400

Description

A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function of Ffmpeg version N-119856-gbe46370941 allows attackers to cause a Denial of Service (DoS) via processing a crafted media file.

References

https://ffmpeg.org
https://infosec.exchange/@sigdevel/116733488628458667
http://www.openwall.com/lists/oss-security/2026/10/20/6

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