HIGH 7.5 Microsoft
CVE-2025-12863
Libxml2: namespace use-after-free in xmlsettreedoc() function of libxml2
Microsoft Security Update 2025-Nov: Libxml2: namespace use-after-free in xmlsettreedoc() function of libxml2
Affected Products
- cbl2 libxml2 2.10.4-9 on CBL Mariner 2.0
- azl3 libxml2 2.11.5-7 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-12863
- https://nvd.nist.gov/vuln/detail/CVE-2025-12863
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-11-11 via Microsoft. Affected: cbl2 libxml2 2.10.4-9 on CBL Mariner 2.0, azl3 libxml2 2.11.5-7 on Azure Linux 3.0.
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