MEDIUM 6.5 Microsoft

CVE-2025-15661

libssh2 - Heap Buffer Over-read via sftp_symlink() in sftp.c

Microsoft Security Update 2026-Jun: libssh2 - Heap Buffer Over-read via sftp_symlink() in sftp.c

Affected Products

azl3 libssh2 1.11.1-2 on Azure Linux 3.0
azl3 libssh2 1.11.1-4 on Azure Linux 3.0
azl3 libssh 0.10.6-8 on Azure Linux 3.0
azl3 libssh2 1.11.1-3 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-15661
https://nvd.nist.gov/vuln/detail/CVE-2025-15661

Published: 2026-06-09 · Source: Microsoft · Feed updated: 2026-09-28

This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-06-09 via Microsoft. Affected: azl3 libssh2 1.11.1-2 on Azure Linux 3.0, azl3 libssh2 1.11.1-4 on Azure Linux 3.0, azl3 libssh 0.10.6-8 on Azure Linux 3.0 and 1 more.

vulnfeed aggregates 13625 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.