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Vulnerability details: VCID-phqh-ares-pqf8
Vulnerability ID VCID-phqh-ares-pqf8
Aliases CVE-2013-4123
Summary client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a crafted port number in a HTTP Host header.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.68916 https://api.first.org/data/v1/epss?cve=CVE-2013-4123
epss 0.68916 https://api.first.org/data/v1/epss?cve=CVE-2013-4123
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4123.json
https://api.first.org/data/v1/epss?cve=CVE-2013-4123
984632 https://bugzilla.redhat.com/show_bug.cgi?id=984632
CVE-2013-4123 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/26886.pl
GLSA-201309-22 https://security.gentoo.org/glsa/201309-22
Data source Exploit-DB
Date added July 16, 2013
Description Squid 3.3.5 - Denial of Service (PoC)
Ransomware campaign use Known
Source publication date July 16, 2013
Exploit type dos
Platform linux
Source update date July 16, 2013
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.98647
EPSS Score 0.68916
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:11:24.270977+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0