VDB
ALPINE-CVE-2021-31806
ALPINE-CVE-2021-31806
PUBLISHED
CVSS 6.5 MEDIUM
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.18 | squid | 3.4.6-r1, 3.4.6-r0, 3.4.5-r0 |
| Alpine:v3.12 | squid | 3.4.7-r0, 0, 2.7.6-r0 |
| Alpine:v3.23 | squid | 3.2.7-r1, 3.2.6-r1, 3.2.6-r0 |
| Alpine:v3.15 | squid | 4.13-r0, 4.11-r0, 4.10-r0 |
| Alpine:v3.11 | squid | 3.4.11-r0, 3.4.10-r0, 3.3.9-r0 |
| Alpine:v3.14 | squid | 3.4.6-r1, 3.4.7-r0, 3.4.8-r0 |
| Alpine:v3.22 | squid | 5.0.5-r0, 2.7.6-r11, 0 |
| Alpine:v3.17 | squid | 2.7.6-r11, 0, 2.7.6-r1 |
| Alpine:v3.20 | squid | 3.2.0.18-r0, 3.5.19-r0, 3.5.19-r1 |
| Alpine:v3.13 | squid | 3.5.16-r0, 3.5.17-r1, 3.5.19-r0 |
| Alpine:v3.10 | squid | 4.14-r0, 0, 2.7.6-r0 |
| Alpine:v3.21 | squid | 3.2.7-r1, 3.2.6-r1, 3.2.6-r0 |
| Alpine:v3.16 | squid | 3.2.6-r1, 5.0.5-r0, 5.0.4-r1 |
| Alpine:v3.19 | squid | 3.4.6-r1, 3.4.7-r0, 3.4.8-r0 |
Timeline
- May 27, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch