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CVE-2022-28738

Published: 9 May 2022

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.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
ruby2.3
Launchpad, Ubuntu, Debian
upstream Not vulnerable
(debian: Vulnerable code not present)
xenial Not vulnerable

ruby2.5
Launchpad, Ubuntu, Debian
bionic Not vulnerable

upstream Not vulnerable
(debian: Vulnerable code not present)
ruby2.7
Launchpad, Ubuntu, Debian
focal Not vulnerable

impish Not vulnerable

jammy Does not exist

upstream Not vulnerable
(debian: Vulnerable code not present)
ruby3.0
Launchpad, Ubuntu, Debian
jammy Needs triage

upstream
Released (3.0.4-1)