UbuntuUpdates.org

Package "libidn12"

Name: libidn12

Description:

GNU Libidn library, implementation of IETF IDN specifications
Latest version: 1.38-4ubuntu1.1
Release: jammy (22.04)
Level: security
Repository: main
Head package: libidn
Homepage: https://www.gnu.org/software/libidn/

Links

All versions of this package
Bug fixes

List of files in package
Repository home page

Download "libidn12"

32-bit deb package
64-bit deb package
APT INSTALL

Other versions of "libidn12" in Jammy

Repository Area Version
updates main 1.38-4ubuntu1.1

Changelog

Version: 1.38-4ubuntu1.1 2026-07-09 15:08:15 UTC

  libidn (1.38-4ubuntu1.1) jammy-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 09:13:37 -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


About   -   Send Feedback to @ubuntu_updates