Linux · 
Ubuntu · Package update · July 24, 2026
Ubuntu · Package update · July 24, 2026libssh2-1t64 1.11.1-1ubuntu0.26.04.4: libssh2-1t64 1.11.1-1ubuntu0.26.04.4 for Ubuntu 26.04.1 LTS (resolute)
libssh2-1t64 1.11.1-1ubuntu0.26.04.4, released July 24, 2026, fixes 3 CVEs in libssh2-1t64. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0058
48th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libssh2-1t64 | Ubuntu 26.04.1 LTS (resolute) | 1.11.1-1ubuntu0.26.04.4 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-66033 | libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation | 7.5 | 0.0058 | None reported |
| High | CVE-2026-66032 | libssh2 Double-Free Heap Corruption via sftp_open() | 8.8 | 0.0048 | None reported |
| High | CVE-2026-66035 | libssh2 Heap Buffer Overflow via ETM Cipher Negotiation | 7.5 | 0.0047 | None reported |
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