Double Free Affecting rubygems-devel package, versions <0:3.2.33-160.el9_0


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.5% (78th percentile)

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  • Snyk IDSNYK-ALMALINUX9-RUBYGEMSDEVEL-5635350
  • published28 May 2023
  • disclosed20 Sept 2022

Introduced: 20 Sep 2022

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

How to fix?

Upgrade AlmaLinux:9 rubygems-devel to version 0:3.2.33-160.el9_0 or higher.
This issue was patched in ALSA-2022:6585.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygems-devel package and not the rubygems-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 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