All vulnerabilities

Servers and applications

CVE-2021-28041

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.

Severity
High 7.1
Published
5 Mar 2021
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.5
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • From 8.2 before 8.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-28041
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-28041