CVE-2023-1894

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-1894

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2023-1894.html

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2023:6818

OS impact

OSVersionStatusFixed in
rockylinux rocky8fixed
suse slesaffected
debian debianbullseyefixed0
debian debianbookwormfixed7.9.5-2
debian debiansidfixed7.9.5-2
debian debiantrixiefixed7.9.5-2

References

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