MEDIUM 5.9 Microsoft
CVE-2025-40909
Perl threads have a working directory race condition where file operations may target unintended paths
Microsoft Security Update 2025-May: Perl threads have a working directory race condition where file operations may target unintended paths
Affected Products
- cm2 perl 5.34.1-491 on CBL Mariner 2.0
- cbl2 perl 5.34.1-491 on CBL Mariner 2.0
- azl3 perl 5.38.2-509 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40909
- https://nvd.nist.gov/vuln/detail/CVE-2025-40909
This medium severity vulnerability with a CVSS score of 5.9 was published on 2025-05-13 via Microsoft. Affected: cm2 perl 5.34.1-491 on CBL Mariner 2.0, cbl2 perl 5.34.1-491 on CBL Mariner 2.0, azl3 perl 5.38.2-509 on Azure Linux 3.0.
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