Inefficient Regular Expression Complexity Affecting rubygems package, versions <3.3.15-2+deb12u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.64% (84th percentile)

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  • Snyk IDSNYK-ECHOLATEST-RUBYGEMS-19432070
  • published30 Aug 2026
  • disclosed31 Mar 2023

Introduced: 31 Mar 2023

CVE-2023-28755  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Echo:latest rubygems to version 3.3.15-2+deb12u1 or higher.

NVD Description

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

A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.

References

CVSS Base Scores

version 3.1