| Name | CVE-2025-8114 | 
| Description | A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 1109860 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| libssh (PTS) | bullseye (security), bullseye | 0.9.8-0+deb11u1 | vulnerable | 
| bookworm, bookworm (security) | 0.10.6-0+deb12u1 | vulnerable | |
| trixie | 0.11.2-1 | vulnerable | |
| forky, sid | 0.11.3-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| libssh | source | (unstable) | 0.11.3-1 | 1109860 | 
[trixie] - libssh <no-dsa> (Minor issue)
[bookworm] - libssh <no-dsa> (Minor issue)
[bullseye] - libssh <postponed> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2383220
https://gitlab.com/libssh/libssh-mirror/-/issues/317
https://www.libssh.org/security/advisories/CVE-2025-8114.txt