Linux · 
Ubuntu · Package update · May 21, 2026
Ubuntu · Package update · May 21, 2026google-guest-agent 20250506.01-0ubuntu2.1: google-guest-agent 20250506.01-0ubuntu2.1 for Ubuntu 26.04.1 LTS (resolute)
google-guest-agent 20250506.01-0ubuntu2.1, released May 21, 2026, fixes 4 CVEs in google-guest-agent. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0068
53rd percentile
Priority of the 4 CVEs
Patch now 0
Urgent 1
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| google-guest-agent | Ubuntu 26.04.1 LTS (resolute) | 20250506.01-0ubuntu2.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-46595 | Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh | 10.0 | 0.0056 | None reported |
| High | CVE-2026-39830 | Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh | 9.1 | 0.0068 | None reported |
| High | CVE-2026-39834 | Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh | 9.1 | 0.0060 | None reported |
| High | CVE-2026-39831 | Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh | 9.1 | 0.0048 | None reported |
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