Inefficient Regular Expression Complexity Affecting pcs-debuginfo package, versions <0:0.9.169-3.amzn2.3.0.2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.17% (40th percentile)

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  • Snyk IDSNYK-AMZN2-PCSDEBUGINFO-5496396
  • published4 May 2023
  • disclosed9 Jan 2025

Introduced: 4 May 2023

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

How to fix?

Upgrade Amazon-Linux:2 pcs-debuginfo to version 0:0.9.169-3.amzn2.3.0.2 or higher.
This issue was patched in ALAS2-2023-2022.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcs-debuginfo package and not the pcs-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1