CVE-2021-46784
Published: 31 December 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
squid Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
trusty |
Does not exist
|
|
focal |
Released
(4.10-1ubuntu1.6)
|
|
impish |
Released
(4.13-10ubuntu5.1)
|
|
jammy |
Released
(5.2-1ubuntu4.1)
|
|
upstream |
Released
(5.6)
|
|
xenial |
Does not exist
|
|
kinetic |
Released
(5.2-1ubuntu5)
|
|
lunar |
Released
(5.2-1ubuntu5)
|
|
mantic |
Released
(5.2-1ubuntu5)
|
|
Patches: upstream: https://github.com/squid-cache/squid/commit/780c4ea1b4c9d2fb41f6962aa6ed73ae57f74b2b (v4) upstream: https://github.com/squid-cache/squid/commit/1740315dc85ade1965934b63c0a3244860bac0a1 (v5) upstream: http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch (v5) |
||
squid3 Launchpad, Ubuntu, Debian |
bionic |
Released
(3.5.27-1ubuntu1.13)
|
focal |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |