CVE-2021-33620
MEDIUM6.5EPSS 9.6%Published: 5/28/2021Modified: 4/28/2026
Description
Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.
Affected packages (2)
- Alpine/squidfrom 0, < 5.0.6-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 |