Double Free Affecting ruby-doc package, versions <0:3.0.4-141.module+el8.6.0+16311+3e5e17e9


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.57% (78th percentile)

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  • Snyk IDSNYK-CENTOS8-RUBYDOC-2765366
  • published15 Apr 2022
  • disclosed14 Apr 2022

Introduced: 14 Apr 2022

CVE-2022-28738  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Centos:8 ruby-doc to version 0:3.0.4-141.module+el8.6.0+16311+3e5e17e9 or higher.

NVD Description

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

A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.

CVSS Scores

version 3.1