CVE-2022-28738

CRITICAL

Ruby <3.0.4, <3.1.2 - Memory Corruption

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 9.8
EPSS 0.0257
EPSS Percentile 83.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-415
Status published
Products (1)
ruby-lang/ruby 3.0.0 - 3.0.4
Published May 09, 2022
Tracked Since Feb 18, 2026