VDB
ALPINE-CVE-2021-31808
ALPINE-CVE-2021-31808
PUBLISHED
CVSS 6.5 MEDIUM
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.
Risk Scores
CVSS 3.1
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:v3.21 | squid | 3.2.0.18-r0, 5.0, 5.0.5-r0 |
| Alpine:v3.15 | squid | 5.0, 2.7.6-r4, 0 |
| Alpine:v3.14 | squid | 3.5.3-r0, 0, 2.7.6-r0 |
| Alpine:v3.18 | squid | 4.4-r1, 3.2.4-r0, 3.2.0.17-r2 |
| Alpine:v3.16 | squid | 0, 2.7.6-r0, 2.7.6-r1 |
| Alpine:v3.24 | squid | 5.0 |
| Alpine:v3.22 | squid | 3.3.11-r1, 3.3.5-r0, 3.3.7-r0 |
| Alpine:v3.20 | squid | 3.2.0.12-r4, 5.0.5-r0, 5.0.4-r1 |
| Alpine:v3.12 | squid | 3.3.6-r0, 3.3.3-r0, 3.3.2-r0 |
| Alpine:v3.13 | squid | 4.6-r1, 4.6-r0, 4.4-r1 |
| Alpine:v3.11 | squid | 2.7.7-r2, 0, 2.7.6-r1 |
| Alpine:v3.23 | squid | 2.7.6-r1, 2.7.6-r2, 2.7.6-r3 |
| Alpine:v3.19 | squid | 3.4.5-r0, 3.3.9-r0, 3.3.8-r1 |
| Alpine:v3.10 | squid | 3.5.20-r0, 3.5.20-r1, 3.5.22-r0 |
| Alpine:v3.17 | squid | 3.5.27-r1, 2.7.9-r0, 4.4-r0 |
Timeline
- May 27, 2021 CVE Published
- Apr 30, 2026 Distribution Patch
- Jul 8, 2026 CVE Updated