Alerts This Week
Warning Icon 1 916
Alerts This Week
Warning Icon 1 916

Mageia 9: libxml2 Critical DoS Vulnerabilities MGASA-2025-0269

mageia
Calendar Grey November 9, 2025
Dist Mageia Esm H88
Security advisory for Mageia updates libxml2 and libxslt fixing multiple critical DoS vulnerabilities affecting systems.
MGASA-2025-0269 - Updated libxml2 & libxslt packages fix security vulnerabilities

Summary

Description: Heap use after free (UAF) leads to Denial of service (DoS). (CVE-2025-49794) Null pointer dereference leads to Denial of service (DoS). (CVE-2025-49795) Type confusion leads to Denial of service (DoS). (CVE-2025-49796) Integer Overflow Leading to Buffer Overflow in xmlBuildQName(). (CVE-2025-6021) Stack-based Buffer Overflow in xmllint Shell. (CVE-2025-6170) Type confusion in xmlNode.psvi between stylesheet and source nodes. (CVE-2025-7424) Heap-use-after-free in xmlFreeID caused by `atype` corruption. (CVE-2025-7425)

References

- https://bugs.mageia.org/show_bug.cgi?id=34378

- https://www.openwall.com/lists/oss-security/2025/06/16/6

- https://www.openwall.com/lists/oss-security/2025/07/11/2

- https://www.cve.org/CVERecord?id=CVE-2025-49794

- https://www.cve.org/CVERecord?id=CVE-2025-49795

- https://www.cve.org/CVERecord?id=CVE-2025-49796

- https://www.cve.org/CVERecord?id=CVE-2025-6021

- https://www.cve.org/CVERecord?id=CVE-2025-6170

- https://www.cve.org/CVERecord?id=CVE-2025-7424

- https://www.cve.org/CVERecord?id=CVE-2025-7425

Topics%20covered

Topics Covered

security advisory denial of service libxml2 libxslt heap-use-after-free Mageia

Resolution

SRPMS

- 9/core/libxml2-2.10.4-1.8.mga9

- 9/core/libxslt-1.1.38-1.2.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 09 Nov 2025
URL: https://advisories.mageia.org/MGASA-2025-0269.html
Type: security
CVE: CVE-2025-49794, CVE-2025-49795, CVE-2025-49796, CVE-2025-6021, CVE-2025-6170, CVE-2025-7424, CVE-2025-7425

Topics%20covered

Topics Covered

security advisory denial of service libxml2 libxslt heap-use-after-free Mageia

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here