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Mageia 9 libtasn1 Important Buffer Overflow CVE-2025-13151

mageia
Calendar Grey January 12, 2026
Dist Mageia Esm H88
A critical buffer overflow in libtasn1 impacts Mageia 9; updates are essential for system integrity.
MGASA-2026-0007 - Updated libtasn1 packages fix security vulnerability

Summary

Description: Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string. (CVE-2025-13151)

References

- https://bugs.mageia.org/show_bug.cgi?id=34957

- https://www.openwall.com/lists/oss-security/2026/01/08/5

- https://www.cve.org/CVERecord?id=CVE-2025-13151

Topics%20covered

Topics Covered

security advisory buffer overflow vulnerability important libtasn1 Mageia

Resolution

SRPMS

- 9/core/libtasn1-4.21.0-1.mga9

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 12 Jan 2026
URL: https://advisories.mageia.org/MGASA-2026-0007.html
Type: security
CVE: CVE-2025-13151

Topics%20covered

Topics Covered

security advisory buffer overflow vulnerability important libtasn1 Mageia

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