| Name | CVE-2016-4556 |
| Description | Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-478-1, DSA-3625-1 |
| Debian Bugs | 823968 |
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+deb10u8 | fixed | |
| bullseye (security), bullseye | 4.13-10+deb11u2 | fixed | |
| bookworm, sid | 5.7-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| squid | source | (unstable) | (not affected) | |||
| squid3 | source | wheezy | 3.1.20-2.2+deb7u5 | DLA-478-1 | ||
| squid3 | source | jessie | 3.4.8-6+deb8u3 | DSA-3625-1 | ||
| squid3 | source | (unstable) | 3.5.19-1 | 823968 |
- squid <not-affected> (Does not affect 2.x)
http://www.squid-cache.org/Advisories/SQUID-2016_9.txt
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_9.patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_9.patch