MEDIUM 4.0 Microsoft
CVE-2026-32777
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Microsoft Security Update 2026-Mar: libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Affected Products
- azl3 expat 2.6.4-4 on Azure Linux 3.0
- cbl2 expat 2.6.4-4 on CBL Mariner 2.0
- azl3 cmake 3.30.3-12 on Azure Linux 3.0
- azl3 python3 3.12.9-9 on Azure Linux 3.0
- cbl2 python3 3.9.19-19 on CBL Mariner 2.0
- azl3 cmake 3.30.3-13 on Azure Linux 3.0
- cbl2 cmake 3.21.4-23 on CBL Mariner 2.0
- azl3 python3 3.12.9-10 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32777
- https://nvd.nist.gov/vuln/detail/CVE-2026-32777
This medium severity vulnerability with a CVSS score of 4.0 was published on 2026-03-10 via Microsoft. Affected: azl3 expat 2.6.4-4 on Azure Linux 3.0, cbl2 expat 2.6.4-4 on CBL Mariner 2.0, azl3 cmake 3.30.3-12 on Azure Linux 3.0 and 5 more.
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