libssh2 has 2 CVEs on record. The median CVSS is 7.7 (high).
CVEs per month
Last 12 months, by publish date
1025/101125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/09
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 7.7
- Publish → KEV
- —
- Last 90 days
- 0 prev 2
2
Total CVEs
0
Critical
0
CISA KEV
0
Exploited
Worst active — by depth score
libssh2 vulnerabilities
CVEs affecting libssh2, newest first. Open any entry for full detail, references, and exploit status.
2 CVEsRSS
CVE-2026-55200High· 8.1PoClibssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field
libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessiv…
▾ Midnightlibssh2 · libssh2EPSS 4.0%via NVD
CVE-2026-7598High· 7.3A security vulnerability has been detected in libssh2 up to 1.11.1
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow.…
▾ Twilightlibssh2 · libssh2EPSS 0.47%via NVD