DEBIAN-CVE-2021-28041

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-28041
Published: 05 Mar 2021, 21:15
Last modified:28 Apr 2026, 20:22

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Mar 2021, 21:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:22
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•openssh

    < 1:8.4p1-5 | < 1:8.4p1-5 | < 1:8.4p1-5 | < 1:8.4p1-5

References (1)