Mageia alert MGASA-2026-0295 (giflib)

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Mageia Updates <updates-announce@ml.mageia.org>
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updates-announce@ml.mageia.org
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[updates-announce] MGASA-2026-0295: Updated giflib packages fix a security vulnerability
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Sat, 25 Jul 2026 20:04:51 +0200
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<20260725180451.912E2A0D3F@duvel.mageia.org>
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Article
MGASA-2026-0295 - Updated giflib packages fix a security vulnerability

Publication date: 25 Jul 2026
URL: https://advisories.mageia.org/MGASA-2026-0295.html
Type: security
Affected Mageia releases: 10, 9
CVE: CVE-2026-26740

Description:
The updated packages fix a security vulnerability:
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker
to cause a denial of service via the EGifGCBToExtension overwriting an
existing Graphic Control Extension block without validating its
allocated size. (CVE-2026-26740)

References:
- https://bugs.mageia.org/show_bug.cgi?id=35614
-
https://lists.fedoraproject.org/archives/list/package-ann...
-
https://github.com/zakkanijia/POC/blob/main/giflib/giftoo...
- https://sourceforge.net/p/giflib/bugs/199/
- https://www.cve.org/CVERecord?id=CVE-2026-26740

SRPMS:
- 10/core/giflib-5.2.2-4.1.mga10
- 9/core/giflib-5.2.1-7.4.mga9