Linux · 
Ubuntu · Package update · October 19, 2026
Ubuntu · Package update · October 19, 2026ssh 1:9.6p1-3ubuntu13.20: ssh 1:9.6p1-3ubuntu13.20 for Ubuntu 24.04.5 LTS (noble)
ssh 1:9.6p1-3ubuntu13.20, released October 19, 2026, fixes 9 CVEs in ssh. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0036
30th percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 3
Routine 6
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| ssh | Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-106583 | In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection. | 7.8 | 0.0015 | None reported |
| High | CVE-2026-106553 | In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt. | 7.5 | 0.0014 | None reported |
| High | CVE-2026-106555 | In sshd in OpenSSH before 10.6, GSSAPIAuthentication authentication state can incorrectly be persisted across authentication attempts. | 7.5 | 0.0014 | None reported |
| Routine | CVE-2026-106552 | In sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended locations) during a recursive copy operation. | 6.5 | 0.0036 | None reported |
| Routine | CVE-2026-106585 | In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data. | 6.5 | 0.0019 | None reported |
| Routine | CVE-2026-106582 | In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings. | 3.7 | 0.0018 | None reported |
| Routine | CVE-2026-106586 | In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283. | 4.3 | 0.0012 | None reported |
| Routine | CVE-2026-106587 | In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled. | 3.6 | 0.0009 | None reported |
| Routine | CVE-2026-106584 | In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times because of Daylight Saving mishandling. There can be a slightly more severe effect on users in certain Antarctic locations. | 3.3 | 0.0006 | None reported |
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