HIGH 7.5 Microsoft
CVE-2025-6021
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Microsoft Security Update 2025-Jun: Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Affected Products
- cm2 libxml2 2.10.4-8 on CBL Mariner 2.0
- azl3 libxml2 2.11.5-6 on Azure Linux 3.0
- cbl2 libxml2 2.10.4-8 on CBL Mariner 2.0
- cbl2 libxml2 2.10.4-8 on CBL-Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-6021
- https://nvd.nist.gov/vuln/detail/CVE-2025-6021
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-06-10 via Microsoft. Affected: cm2 libxml2 2.10.4-8 on CBL Mariner 2.0, azl3 libxml2 2.11.5-6 on Azure Linux 3.0, cbl2 libxml2 2.10.4-8 on CBL Mariner 2.0 and 1 more.
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