CVE-2020-15049
HIGH8.8EPSS 15.7%squid3 - security update
Published: 6/30/2020Modified: 4/28/2026
Description
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.
Affected packages (3)
- Alpine/squidfrom 0, < 4.12.0-r0
- Debian/squidfrom 0, < 4.12-1
- Debian/squid3from 0, < 3.5.23-5+deb9u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |