| Name | CVE-2021-28662 |
| Description | An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4924-1 |
| Debian Bugs | 988891 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| squid (PTS) | buster | 4.6-1+deb10u7 | fixed |
| buster (security) | 4.6-1+deb10u10 | fixed |
| bullseye | 4.13-10+deb11u2 | fixed |
| bullseye (security) | 4.13-10+deb11u3 | fixed |
| bookworm | 5.7-2 | fixed |
| bookworm (security) | 5.7-2+deb12u1 | fixed |
| trixie | 6.6-1 | fixed |
| sid | 6.9-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h
http://www.squid-cache.org/Versions/v4/changesets/squid-4-b1c37c9e7b30d0efb5e5ccf8200f2a646b9c36f8.patch
https://megamansec.github.io/Squid-Security-Audit/vary-other-assert.html