CVE-2023-51384

medium
Published 2023-12-18 ยท Modified 2026-05-28
CVSS v3
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.5

Description

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.

Predictions

Exploit likelihood
55%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Mixed 7 releases
VersionStatusFixed in
trixie Fixed 1:9.6p1-1
sid Fixed 1:9.6p1-1
forky Fixed 1:9.6p1-1
bullseye Fixed 0
bookworm Fixed 1:9.2p1-2+deb12u2
12.0 Affected โ€”
11.0 Affected โ€”

Application impact

VendorProductVersionsFixed
openbsdopenssh{"startIncluding":"8.9","endExcluding":"9.6"}9.6

References

CWEs

CWE-284

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.