CVE-2021-31806
MEDIUM6.5EPSS 85.2%Published: 5/27/2021Modified: 12/3/2025
Also known as:ALPINE-CVE-2021-31806
Description
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.
Affected packages (2)
- Alpine/squidfrom 0, < 4.15-r0
- Debian/squidfrom 0, < 4.13-10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |