Vulnerabilities in libssh2
9 resultsCVE-2026-55200CRITICALlibssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.cEPSS 3.9%CVE-2026-55199HIGHlibssh2 - Pre-Authentication DoS via SSH_MSG_EXT_INFO HandlerEPSS 0.9%CVE-2025-15661HIGHlibssh2 - Heap Buffer Over-read via sftp_symlink() in sftp.cEPSS 0.6%CVE-2026-66033HIGHlibssh2 Integer Underflow DoS via AES-GCM Cipher NegotiationEPSS 0.6%CVE-2026-66035HIGHlibssh2 Heap Buffer Overflow via ETM Cipher NegotiationEPSS 0.5%CVE-2026-66032HIGHlibssh2 Double-Free Heap Corruption via sftp_open()EPSS 0.4%CVE-2026-58050HIGHlibssh2 - Integer Overflow in publickey Subsystem Attribute AllocationEPSS 0.4%CVE-2026-66034HIGHlibssh2 Heap Out-of-Bounds Read via publickey subsystemEPSS 0.4%CVE-2026-58051HIGHlibssh2 - Free of Uninitialized Pointer in publickey List CleanupEPSS 0.3%