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Mageia 9 ffmpeg Critical Denial of Service Vuln MGASA-2026-0153

mageia
Calendar Grey May 26, 2026
Dist Mageia Esm H88
MGASA-2026-0153 details critical updates to ffmpeg that address serious vulnerabilities published on May 26, 2026.
MGASA-2026-0153 - Updated ffmpeg packages fix security vulnerabilities

Summary

Description: An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input. (CVE-2026-30997) FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c. (CVE-2026-40962)

References

- https://bugs.mageia.org/show_bug.cgi?id=35546

- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/4TOCC22G6AHEU62PA7DQARAPJYTW6XSE/

- https://excellent-oatmeal-319.notion.site/CVE-2026-30997-Out-of-Bounds-Access-a7929817b9794568b2f7774397c7d65f

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-30997

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40962

Topics%20covered

Topics Covered

security advisory denial of service critical vulnerability ffmpeg Mageia

Resolution

SRPMS

- 9/core/ffmpeg-5.1.9-1.mga9

- 9/tainted/ffmpeg-5.1.9-1.mga9.tainted

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 26 May 2026
URL: https://advisories.mageia.org/MGASA-2026-0153.html
Type: security
CVE: CVE-2026-30997, CVE-2026-40962

Topics%20covered

Topics Covered

security advisory denial of service critical vulnerability ffmpeg Mageia

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