libssh and libssh2 security updates for Debian 12 and 13 (DSA-6410-1, DLA-4844-1, DSA-6365-1, DLA-4773-1)
Debian fixed many libssh and libssh2 flaws in 2026. They are not OpenSSH, but curl, PHP ssh2 and QEMU use them. Versions to check and how to update.