Description
Squid 3.1 before 3.3.12 and 3.4 before 3.4.4, when SSL-Bump is enabled, allows remote attackers to cause a denial of service (assertion failure) via a crafted range request, related to state management.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | squid3 | 3.3.8-1ubuntu6.6 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | squid | 7:3.1.10-20.el6_5.3 | RHSA-2014:0597 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | squid3 | 3.1.23-8.16.30.1 | SUSE-SU-2016:2089-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | squid3 | 3.1.23-8.16.30.1 | SUSE-SU-2016:2089-1 |
Advisories 2
- RHSA-2014:0597 Red Hat Security Advisory: squid security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- SUSE-SU-2016:2089-1 Security update for squid3 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2014:0513 vendor-advisory
- openSUSE-SU-2014:0559 vendor-advisory
- 57889 third-party-advisory
- SUSE-SU-2016:1996 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- 57288 third-party-advisory
- 66112 vdb-entry
- SUSE-SU-2016:2089 vendor-advisory
- http://www.squid-cache.org/Advisories/SQUID-2014_1.txt