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Mageia 9 xz Important Buffer Overflow Fix MGASA-2026-0084

mageia
Calendar Grey April 6, 2026
Dist Mageia Esm H88
Updated xz packages for Mageia to address CVE-2026-34743 buffer overflow risk in lzma_index_append function.
MGASA-2026-0084 - Updated xz packages fix security vulnerability

Summary

Description: Buffer overflow in lzma_index_append(). (CVE-2026-34743)

References

- https://bugs.mageia.org/show_bug.cgi?id=35307

- https://www.openwall.com/lists/oss-security/2026/03/31/13

- https://tukaani.org/xz/index-append-overflow.html

- https://www.cve.org/CVERecord?id=CVE-2026-34743

Resolution

SRPMS

- 9/core/xz-5.4.3-1.2.mga9

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 06 Apr 2026
URL: https://advisories.mageia.org/MGASA-2026-0084.html
Type: security
CVE: CVE-2026-34743

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