Inefficient Regular Expression Complexity Affecting pcs package, versions <0:0.10.12-6.el8_6.4


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

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  • Snyk IDSNYK-RHEL8-PCS-5663998
  • published20 Mar 2023
  • disclosed15 Mar 2023

Introduced: 15 Mar 2023

CVE-2023-27539  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade RHEL:8 pcs to version 0:0.10.12-6.el8_6.4 or higher.
This issue was patched in RHSA-2023:3403.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcs package and not the pcs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

There is a denial of service vulnerability in the header parsing component of Rack.

CVSS Scores

version 3.1