Linux · Debian · Security advisory · June 26, 2026

DEBIAN-CVE-2026-55200: libssh2 security update

DEBIAN-CVE-2026-55200, released June 26, 2026, fixes 1 CVE in libssh2. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.3
Base score, 0 to 10
Highest EPSS
0.0388
90th percentile

Fixed package versions

ProductReleaseFixed in
libssh2Debian 13.5 (trixie)1.11.1-1+deb13u1
libssh2Debian 141.11.1-4

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-55200 libssh2: libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that...8.3 0.0388 None reported
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