CVE-2016-4052
Multiple stack-based buffer overflows in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote HTTP servers to cause a denial of service or execute arbitrary code via crafted Edge Side Includes
02 Description
Multiple stack-based buffer overflows in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote HTTP servers to cause a denial of service or execute arbitrary code via crafted Edge Side Includes
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 12.86% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.1% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-04-25 14:00Z10 YR AGO
- Last updated
- 2024-08-06 00:17Z2 YR AGO
- Reserved
- 2016-04-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- afd72635c762c6b27b139efb3e606d07ef9b0cc69a9766776f1c51ece25ae2cc
05 Affected products
06 References
- www.squid-cache.orghttp://www.squid-cache.org/Advisories/SQUID-2016_6.txt
- security.gentoo.orgGLSA-201607-01https://security.gentoo.org/glsa/201607-01
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- lists.opensuse.orgSUSE-SU-2016:1996http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- www.openwall.com[oss-security] 20160421 CVE Request: Squid HTTP Caching Proxy multiple issueshttp://www.openwall.com/lists/oss-security/2016/04/20/6
- www.ubuntu.comUSN-2995-1http://www.ubuntu.com/usn/USN-2995-1
- access.redhat.comRHSA-2016:1140https://access.redhat.com/errata/RHSA-2016:1140
- lists.opensuse.orgopenSUSE-SU-2016:2081http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
- access.redhat.comRHSA-2016:1138https://access.redhat.com/errata/RHSA-2016:1138
- www.securityfocus.com91787http://www.securityfocus.com/bid/91787
- access.redhat.comRHSA-2016:1139https://access.redhat.com/errata/RHSA-2016:1139
- lists.opensuse.orgSUSE-SU-2016:2089http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- www.openwall.com[oss-security] 20160420 Re: CVE Request: Squid HTTP Caching Proxy multiple issueshttp://www.openwall.com/lists/oss-security/2016/04/20/9
- www.securitytracker.com1035647http://www.securitytracker.com/id/1035647
- www.debian.orgDSA-3625http://www.debian.org/security/2016/dsa-3625
- www.securityfocus.com86788http://www.securityfocus.com/bid/86788
07 Fixed in
Ubuntu 14.04 LTS
- squid3 Fixed in 3.3.8-1ubuntu6.8
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- squid3 Fixed in 3.5.12-1ubuntu7.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.