Double Free The advisory has been revoked - it doesn't affect any version of package ruby-devel (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-RUBYDEVEL-2767426
- published15 Apr 2022
- disclosed14 Apr 2022
Introduced: 14 Apr 2022
CVE-2022-28738 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-devel package and not the ruby-devel package as distributed by Centos.
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.
References
- https://access.redhat.com/security/cve/CVE-2022-28738
- https://access.redhat.com/errata/RHSA-2022:6450
- https://access.redhat.com/errata/RHSA-2022:6585
- https://hackerone.com/reports/1220911
- https://security-tracker.debian.org/tracker/CVE-2022-28738
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/
- https://www.ruby-lang.org/en/news/2022/04/12/double-free-in-regexp-compilation-cve-2022-28738/