ALPINE-CVE-2021-28041

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-28041
Published: 05 Mar 2021, 21:15
Last modified:03 Dec 2025, 22:48

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
3.1 (osv_alpine)
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
03 Dec 2025, 22:48
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

  • alpine•openssh

    < 8.3_p1-r2 | < 8.4_p1-r1 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0 | < 8.5_p1-r0

References (1)