Linux · 
Ubuntu · Package update · July 3, 2026
Ubuntu · Package update · July 3, 2026libssh2-1t64 1.11.1-1ubuntu0.25.10.2: libssh2-1t64 1.11.1-1ubuntu0.25.10.2 for Ubuntu 25.10 (questing)
libssh2-1t64 1.11.1-1ubuntu0.25.10.2, released July 3, 2026, fixes 3 CVEs in libssh2-1t64. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
8.3
Base score, 0 to 10
Highest EPSS
0.0388
90th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 2
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libssh2-1t64 | Ubuntu 25.10 (questing) | 1.11.1-1ubuntu0.25.10.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-55200 | libssh2_org: out-of-Bounds write via Unchecked packet_length in transport.c (bsc#1268531). | 8.3 | 0.0388 | None reported |
| High | CVE-2026-55199 | libssh2 - Pre-Authentication DoS via SSH_MSG_EXT_INFO Handler | 7.5 | 0.0092 | None reported |
| Routine | CVE-2025-15661 | libssh2 - Heap Buffer Over-read via sftp_symlink() in sftp.c | 6.5 | 0.0065 | None reported |
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