Libssh2 — PoC Archivehttps://poc.intelseclab.com/tags/libssh2/Latest proof-of-concept entries.Hugoen-usFri, 03 Jul 2026 00:00:00 +0000libssh2 Unchecked SSH packet_length Integer Wrap to RCE (CVE-2026-55200)https://poc.intelseclab.com/pocs/network/2026-07-03_cve-2026-55200-libssh2-packet-length-rce/Fri, 03 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-03_cve-2026-55200-libssh2-packet-length-rce/Critical severity — network · CVE-2026-55200. Status: Weaponized. Affects: libssh2, ssh2_transport_read() in src/transport.c. Tags: libssh2, ssh, integer-overflow, heap-overflow, packet-length, transport, rce, memory-corruption, cve-2026-55200.networkCriticallibssh2sshinteger-overflowheap-overflowpacket-lengthtransportrcememory-corruptioncve-2026-55200libssh2 Publickey Subsystem List Parser Heap Corruption to Code Executionhttps://poc.intelseclab.com/pocs/network/2026-07-03_libssh2-publickey-list-parser-oob/Fri, 03 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-03_libssh2-publickey-list-parser-oob/Critical severity — network · None assigned as of 2026-07-03. Status: Weaponized. Affects: libssh2, publickey subsystem list parser (src/publickey.c). Tags: libssh2, ssh, publickey-subsystem, heap-overflow, use-after-free, integer-overflow, windows, rce, memory-corruption.networkCriticallibssh2sshpublickey-subsystemheap-overflowuse-after-freeinteger-overflowwindowsrcememory-corruptionlibssh2 SSH Packet Length OOB Heap Write / Unauthenticated RCE (CVE-2026-55200)https://poc.intelseclab.com/pocs/network/2026-06-30_cve-2026-55200-libssh2-oob-rce/Tue, 30 Jun 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-06-30_cve-2026-55200-libssh2-oob-rce/Critical severity (CVSS 9.8) — network · CVE-2026-55200. Status: PoC. Affects: libssh2 (SSH client library). Tags: RCE, OOB-write, heap-corruption, libssh2, SSH, integer-overflow, unauthenticated, C, network.networkCriticalRCEOOB-writeheap-corruptionlibssh2SSHinteger-overflowunauthenticatedCnetwork