VDB
ALPINE-CVE-2022-28738
ALPINE-CVE-2022-28738
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | ruby | 0, 0, 0 |
| Alpine:v3.20 | ruby | 0, 0, 0 |
| Alpine:v3.22 | ruby | 0, 0, 0 |
| Alpine:v3.21 | ruby | 0, 0, 0 |
| Alpine:v3.19 | ruby | 2.3.1-r0, 2.2.4-r0, 2.2.3-r1 |
| Alpine:v3.15 | ruby | 2.6.4-r0, 1.8.7_p160-r2, 1.8.7_p160-r3 |
| Alpine:v3.16 | ruby | 0, 2.7.1-r3, 2.7.1-r2 |
| Alpine:v3.18 | ruby | 2.7.3-r0, 1.8.7_p160-r2, 1.9.3_p194-r0 |
| Alpine:v3.17 | ruby | 1.9.3_p194-r0, 1.9.3_p286-r0, 1.9.3_p286-r1 |
Timeline
- May 9, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch