RLSA-2026:89749

RLSA-2026:89749 · Moderate: xz security update

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

XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm provides a high compression ratio while keeping the decompression time short. Security Fix(es): * xz: XZ Utils: Denial of Service via buffer overflow in index decoding (CVE-2026-34743) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 5.3 · Medium · Fix available

Published

2026-10-27T12:04:29.081572Z

Updated

2026-10-27T12:30:03.121470597Z

Stack: system

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