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Package "liblzma5"

Name: liblzma5

Description:

XZ-format compression library
Latest version: 5.8.3-1ubuntu1
Release: stonking (26.10)
Level: security
Repository: main
Head package: xz-utils
Homepage: https://tukaani.org/xz/

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base main 5.8.3-1

Changelog

Version: 5.8.3-1ubuntu1 2026-10-20 17:08:15 UTC

xz-utils (5.8.3-1ubuntu1) stonking; urgency=medium

  * SECURITY UPDATE: invalid memory write during decoder reinitialization
    after allocation failure (LP: #2170056)
    - debian/patches/LP-2170056_1.patch: Make lzma_lz_decoder_init()
      safe to reinit after alloc failure in src/liblzma/lz/lz_decoder.c.
    - debian/patches/LP-2170056_2.patch: Clean up after a filter chain
      initialization error in src/liblzma/common/alone_decoder.c,
      src/liblzma/common/lzip_decoder.c,
      src/liblzma/common/microlzma_decoder.c.
    - debian/patches/LP-2170056_3.patch: Test lzma_alone_decoder() reuse
      after dictionary allocation failure in tests/Makefile.am,
      tests/test_alone_decoder.c, tests/tests.cmake.
    - No CVE number

 -- Shafayat Hossain Majumder Fri, 09 Oct 2026 11:54:18 -0400
2170056 5.8.4 security tracking bug


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