All vulnerabilities

Servers and applications

CVE-2016-4053

Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote attackers to obtain sensitive stack layout information via crafted Edge Side Includes (ESI) responses, related to incorrect use of assert and compiler optimization.

Severity
Low 3.7
Published
25 Apr 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
14% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · Only under certain conditions · No login needed · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
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 140 release lines
  • 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-2016-4053
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4053