CVE-2016-4054

critical-risk
Published 2016-04-25

Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers to execute arbitrary code via crafted Edge Side Includes (ESI) responses.

Do I need to act?

!
79.9% chance of exploitation in next 30 days
EPSS score — higher than 20% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (20)

Affected Vendors

Oracle Canonical Squid-Cache

References (30)

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.debian.org/security/2016/dsa-3625
Release Notes http://www.openwall.com/lists/oss-security/2016/04/20/6
Release Notes http://www.openwall.com/lists/oss-security/2016/04/20/9
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
http://www.securityfocus.com/bid/86788
Third Party Advisory http://www.securitytracker.com/id/1035647
Vendor Advisory http://www.squid-cache.org/Advisories/SQUID-2016_6.txt
Third Party Advisory http://www.ubuntu.com/usn/USN-2995-1
https://access.redhat.com/errata/RHSA-2016:1138
https://access.redhat.com/errata/RHSA-2016:1139
https://access.redhat.com/errata/RHSA-2016:1140
https://security.gentoo.org/glsa/201607-01
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.debian.org/security/2016/dsa-3625
Release Notes http://www.openwall.com/lists/oss-security/2016/04/20/6
and 10 more references
76
/ 100
critical-risk
Severity 24/34 · High
Exploitability 20/34 · Moderate
Exposure 32/34 · Critical