CVE-2026-55200 | libssh2 up to 1.11.1 SSH ssh2_transport_read integer overflow (7acf3dfda80c91c3a8c9f2372546301d4a1a7a8)

A vulnerability was found in libssh2 up to 1.11.1 and classified as critical. This affects the function ssh2_transport_read of the component SSH Handler. Such manipulation leads to integer overflow to buffer overflow.

This vulnerability is referenced as CVE-2026-55200. It is possible to launch the attack remotely. No exploit is available.

It is best practice to apply a patch to resolve this issue.