Mageia alert MGASA-2026-0262 (libidn)

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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-2026-0262: Updated libidn packages fix security vulnerability
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Sat, 18 Jul 2026 20:27:53 +0200
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<20260718182753.C4C61A0E97@duvel.mageia.org>
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Article
MGASA-2026-0262 - Updated libidn packages fix security vulnerability

Publication date: 18 Jul 2026
URL: https://advisories.mageia.org/MGASA-2026-0262.html
Type: security
Affected Mageia releases: 10, 9
CVE: CVE-2026-57053

Description:
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized
memory in the ToUnicode APIs because of mishandling in
idna_to_unicode_internal. The affected code is not present in libidn2.
(CVE-2026-57053)

References:
- https://bugs.mageia.org/show_bug.cgi?id=35726
-
http://www.slackware.com/security/viewer.php?l=slackware-...
- https://lists.gnu.org/archive/html/help-libidn/2026-05/ms...
- https://lists.gnu.org/archive/html/help-libidn/2025-06/ms...
- https://ubuntu.com/security/notices/USN-8521-1
- https://www.cve.org/CVERecord?id=CVE-2026-57053

SRPMS:
- 10/core/libidn-1.43-2.1.mga10
- 9/core/libidn-1.41-2.1.mga9