VULNERABILITY INTELLIGENCE

CVE-2022-28738

CVSS score9.8 CRITICAL
EPSS probability3.14%
CISA KEVNot currently listed
Published2022-05-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-415

Primary references