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ALPINE-CVE-2026-34743

ALPINE-CVE-2026-34743

This page contains facts from public vulnerability sources. Check the original advisory before updating.

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.

CVSS 5.3 · Medium · Fix available

Published
Updated

Stack: system

Affected products and versions

  • xz Alpine:v3.20

    Affected ranges
    • ECOSYSTEM: < 5.8.3-r0

    Update to 5.8.3-r0

  • xz Alpine:v3.21

    Affected ranges
    • ECOSYSTEM: < 5.8.3-r0

    Update to 5.8.3-r0

  • xz Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 5.8.3-r0

    Update to 5.8.3-r0

  • xz Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 5.8.3-r0

    Update to 5.8.3-r0

  • xz Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 5.8.3-r0

    Update to 5.8.3-r0

Original sources

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