openssh-sftp-server: ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as uncons...
CVE-2021-28041 is fixed in 6 products on 1 platform, first by openssh-client 1:8.2p1-4ubuntu0.2, released March 5, 2021. It is not reported as exploited. Patch Radar priority: Routine.
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| openssh-client · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | openssh-client 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
| openssh-server · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | openssh-server 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
| openssh-sftp-server · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | openssh-sftp-server 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
| openssh-tests · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | openssh-tests 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
| ssh · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | ssh 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
| ssh-askpass-gnome · Ubuntu 20.04 LTS (focal) | 1:8.2p1-4ubuntu0.2 | ssh-askpass-gnome 1:8.2p1-4ubuntu0.2 | Mar 5, 2021 |
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