UpHeron
All vulnerabilities

Servers and applications

CVE-2016-4051

Buffer overflow in cachemgr.cgi in Squid 2.x, 3.x before 3.5.17, and 4.x before 4.0.9 might allow remote attackers to cause a denial of service or execute arbitrary code by seeding manager reports with crafted data.

Severity
High 8.8
Published
25 Apr 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
18% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
SquidServers and applications · cpe:a:squid-cache:squid
  • Version 4.0.8
  • Version 4.0.7
  • Version 4.0.6
  • Version 4.0.5
All 148 release lines
  • Version 2.0
  • Version 2.1
  • Version 2.2
  • Version 2.3
  • Version 2.4
  • Version 2.5
  • Version 2.6
  • Version 2.7
  • Version 3.0
  • Version 3.1
  • Version 3.1.0.1
  • Version 3.1.0.2
  • Version 3.1.0.3
  • Version 3.1.0.4
  • Version 3.1.0.5
  • Version 3.1.0.6
  • Version 3.1.0.7
  • Version 3.1.0.8
  • Version 3.1.0.9
  • Version 3.1.0.10
  • Version 3.1.0.11
  • Version 3.1.0.12
  • Version 3.1.0.13
  • Version 3.1.0.14
  • Version 3.1.0.15
  • Version 3.1.0.16
  • Version 3.1.0.17
  • Version 3.1.0.18
  • Version 3.1.1
  • Version 3.1.2
  • Version 3.1.3
  • Version 3.1.4
  • Version 3.1.5
  • Version 3.1.5.1
  • Version 3.1.6
  • Version 3.1.7
  • Version 3.1.8
  • Version 3.1.9
  • Version 3.1.10
  • Version 3.1.11
  • Version 3.1.12
  • Version 3.1.12.1
  • Version 3.1.12.2
  • Version 3.1.12.3
  • Version 3.1.13
  • Version 3.1.14
  • Version 3.1.15
  • Version 3.1.16
  • Version 3.1.17
  • Version 3.1.18
  • Version 3.1.19
  • Version 3.1.20
  • Version 3.1.21
  • Version 3.1.22
  • Version 3.2.0.1
  • Version 3.2.0.2
  • Version 3.2.0.3
  • Version 3.2.0.4
  • Version 3.2.0.5
  • Version 3.2.0.6
  • Version 3.2.0.7
  • Version 3.2.0.8
  • Version 3.2.0.9
  • Version 3.2.0.10
  • Version 3.2.0.11
  • Version 3.2.0.12
  • Version 3.2.0.13
  • Version 3.2.0.14
  • Version 3.2.0.15
  • Version 3.2.0.16
  • Version 3.2.0.17
  • Version 3.2.0.18
  • Version 3.2.0.19
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.2.5
  • Version 3.2.6
  • Version 3.2.7
  • Version 3.2.8
  • Version 3.2.9
  • Version 3.2.10
  • Version 3.2.11
  • Version 3.2.12
  • Version 3.2.13
  • Version 3.3.0
  • Version 3.3.0.1
  • Version 3.3.0.2
  • Version 3.3.0.3
  • Version 3.3.1
  • Version 3.3.2
  • Version 3.3.3
  • Version 3.3.4
  • Version 3.3.5
  • Version 3.3.6
  • Version 3.3.7
  • Version 3.3.8
  • Version 3.3.9
  • Version 3.3.10
  • Version 3.3.11
  • Version 3.3.12
  • Version 3.3.13
  • Version 3.3.14
  • Version 3.4.0.1
  • Version 3.4.0.2
  • Version 3.4.0.3
  • Version 3.4.1
  • Version 3.4.2
  • Version 3.4.3
  • Version 3.4.4
  • Version 3.4.4.1
  • Version 3.4.4.2
  • Version 3.4.8
  • Version 3.4.9
  • Version 3.4.10
  • Version 3.4.11
  • Version 3.4.12
  • Version 3.4.13
  • Version 3.4.14
  • Version 3.5.0.1
  • Version 3.5.0.2
  • Version 3.5.0.3
  • Version 3.5.0.4
  • Version 3.5.1
  • Version 3.5.2
  • Version 3.5.3
  • Version 3.5.4
  • Version 3.5.5
  • Version 3.5.6
  • Version 3.5.7
  • Version 3.5.8
  • Version 3.5.9
  • Version 3.5.10
  • Version 3.5.11
  • Version 3.5.12
  • Version 3.5.13
  • Version 3.5.14
  • Version 3.5.15
  • Version 3.5.16
  • Version 4.0.1
  • Version 4.0.2
  • Version 4.0.3
  • Version 4.0.4
  • Version 4.0.5
  • Version 4.0.6
  • Version 4.0.7
  • Version 4.0.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-4051
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4051