| Name | CVE-2021-46784 |
| Description | In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses. |
| 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-5171-1, ELA-660-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| squid (PTS) | buster (security), buster, buster (lts) | 4.6-1+deb10u10 | fixed |
| bullseye (security), bullseye | 4.13-10+deb11u3 | fixed | |
| bookworm (security), bookworm | 5.7-2+deb12u2 | fixed | |
| sid, trixie | 6.12-1 | fixed | |
| squid3 (PTS) | jessie, jessie (lts) | 3.5.23-5+deb8u7 | fixed |
| stretch (security) | 3.5.23-5+deb9u7 | vulnerable | |
| stretch (lts), stretch | 3.5.23-5+deb9u10 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| squid | source | buster | 4.6-1+deb10u7 | DSA-5171-1 | ||
| squid | source | bullseye | 4.13-10+deb11u1 | DSA-5171-1 | ||
| squid | source | (unstable) | 5.6-1 | |||
| squid3 | source | jessie | 3.5.23-5+deb8u5 | ELA-660-1 | ||
| squid3 | source | stretch | 3.5.23-5+deb9u8 | ELA-660-1 | ||
| squid3 | source | (unstable) | (unfixed) |
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w
https://github.com/squid-cache/squid/commit/780c4ea1b4c9d2fb41f6962aa6ed73ae57f74b2b (v4)
Squid 5: http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch
https://megamansec.github.io/Squid-Security-Audit/gopher-assert.html