[ubuntu/questing-security] xz-utils 5.8.1-1ubuntu0.1 (Accepted)

Ian Constantin ian.constantin at canonical.com
Tue Jun 2 08:42:48 UTC 2026


xz-utils (5.8.1-1ubuntu0.1) questing-security; urgency=medium

  * SECURITY UPDATE: heap buffer overflow
    - debian/patches/CVE-2026-34743.patch: adds a check to
      lzma_index_prealloc() to default to a safe size when decoding empty
      indexes in src/liblzma/common/index.c.
    - CVE-2026-34743

Date: 2026-06-01 06:01:32.813585+00:00
Changed-By: Ian Constantin <ian.constantin at canonical.com>
https://launchpad.net/ubuntu/+source/xz-utils/5.8.1-1ubuntu0.1
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