MEDIUM 4.5 Microsoft
CVE-2025-4877
Libssh: write beyond bounds in binary to base64 conversion functions
Microsoft Security Update 2025-Aug: Libssh: write beyond bounds in binary to base64 conversion functions
Affected Products
- cbl2 libssh 0.10.6-2 on CBL Mariner 2.0
- azl3 libssh 0.10.6-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4877
- https://nvd.nist.gov/vuln/detail/CVE-2025-4877
This medium severity vulnerability with a CVSS score of 4.5 was published on 2025-08-12 via Microsoft. Affected: cbl2 libssh 0.10.6-2 on CBL Mariner 2.0, azl3 libssh 0.10.6-2 on Azure Linux 3.0.
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