CVE-2026-106582
Fixed in a distro release EPSS <1%CVSS 3.7
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.
Products: openbsd openssh
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | openssh | no fix |
| Debian 13 | openssh | no fix |
| Debian 14 | openssh | 1:10.6p1-1 |
| Debian 14 | openssh-gssapi | 1:10.6p1-1 |
| Red Hat hummingbird 1 | openssh | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-askpass | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-clients | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-keycat | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-keysign | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-server | 0:10.5p1-1.2.hum1 |
| Red Hat hummingbird 1 | openssh-sk-dummy | 0:10.5p1-1.2.hum1 |
| Ubuntu 18.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 20.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 22.04 LTS | openssh | 1:8.9p1-3ubuntu0.18 |
| Ubuntu 22.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 24.04 LTS | openssh | 1:9.6p1-3ubuntu13.20 |
| Ubuntu 24.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 26.04 LTS | openssh | 1:10.2p1-2ubuntu3.8 |
| Ubuntu 26.04 LTS | openssh-ssh1 | no fix |
| Ubuntu 26.10 | openssh | 1:10.5p1-1ubuntu3.1 |
| Ubuntu 26.10 | openssh-gssapi | 1:10.5p1-1ubuntu3.1 |
| Ubuntu 26.10 | openssh-ssh1 | no fix |
| Ubuntu Pro 14.04 LTS | openssh | no fix |
| Ubuntu Pro 16.04 LTS | openssh | no fix |
| Ubuntu Pro 18.04 LTS | openssh | no fix |
| Ubuntu Pro 20.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-updates 16.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS-updates 24.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS 16.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS 18.04 LTS | openssh | no fix |
| Ubuntu Pro FIPS 20.04 LTS | openssh | no fix |