CVE-2016-2571

HIGH

Squid 3.x < 3.5.15 and 4.x < 4.0.7 - Denial of Service via Malformed HTTP Response

Title source: llm
STIX 2.1

Description

http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.

References (13)

Core 13
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3557-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201607-01
Vendor Advisory x_refsource_confirm
http://www.squid-cache.org/Advisories/SQUID-2016_2.txt
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3522
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2600.html
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/02/26/2
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1035101
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2921-1

Scores

CVSS v3 7.5
EPSS 0.0929
EPSS Percentile 94.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (40)
squid-cache/squid 3.0 (9 CPE variants)
squid-cache/squid 3.0.stable1
squid-cache/squid 3.0.stable2
squid-cache/squid 3.0.stable3
squid-cache/squid 3.0.stable4
squid-cache/squid 3.0.stable5
squid-cache/squid 3.0.stable6
squid-cache/squid 3.0.stable7
squid-cache/squid 3.0.stable8
squid-cache/squid 3.0.stable9
... and 30 more
Published Feb 27, 2016
Tracked Since Feb 18, 2026