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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://hackerone.com/reports/1220911Permissions Required, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2022-28738Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
- https://www.ruby-lang.org/en/news/2022/04/12/double-free-in-regexp-compilation-cve-2022-28738/Vendor Advisory
- https://hackerone.com/reports/1220911Permissions Required, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2022-28738Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
- https://www.ruby-lang.org/en/news/2022/04/12/double-free-in-regexp-compilation-cve-2022-28738/Vendor Advisory
Timeline
- Published
- May 9, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified