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Package "libidn12"

Name: libidn12

Description:

GNU Libidn library, implementation of IETF IDN specifications
Latest version: 1.42-1ubuntu0.1
Release: noble (24.04)
Level: updates
Repository: main
Head package: libidn
Homepage: https://www.gnu.org/software/libidn/

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Repository Area Version
base main 1.42-1build1
security main 1.42-1ubuntu0.1

Changelog

Version: 1.42-1ubuntu0.1 2026-07-09 17:08:24 UTC

  libidn (1.42-1ubuntu0.1) noble-security; urgency=medium

  * SECURITY UPDATE: OOB of uninitialized memory
    - debian/patches/CVE-2026-57053.patch: Guard against read-out-bounds on some
      xn-- strings in lib/idna.c.
    - CVE-2026-57053

 -- Marc Deslauriers <email address hidden> Tue, 07 Jul 2026 09:12:53 -0400
CVE-2026-57053 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_intern


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