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Package "libyang3"

Name: libyang3

Description:

parser toolkit for IETF YANG data modeling language (library)
Latest version: 3.13.5-2ubuntu0.1
Release: questing (25.10)
Level: security
Repository: main
Head package: libyang
Homepage: https://github.com/CESNET/libyang

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Other versions of "libyang3" in Questing

Repository Area Version
base main 3.13.5-2
updates main 3.13.5-2ubuntu0.1

Changelog

Version: 3.13.5-2ubuntu0.1 2026-06-30 13:08:05 UTC

  libyang (3.13.5-2ubuntu0.1) questing-security; urgency=medium

  * SECURITY UPDATE: heap use-after-free write in lyd_parser_set_data_flags
    - debian/patches/CVE-2026-41401.patch: parser common BUGFIX invalid metadata
      removal in src/parser_common.c,
      tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26.
    - CVE-2026-41401

 -- Marc Deslauriers <email address hidden> Tue, 16 Jun 2026 13:07:33 -0400
CVE-2026-41401 libyang before 5.2.6 contains a heap use-after-free write vulnerability in lyd_parser_set_data_flags that incorrectly updates metadata list pointers


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