UpHeron
All vulnerabilities

Servers and applications

CVE-2023-46846

SQUID-2023:1 Request/Response smuggling in HTTP/1.1 and ICAP

Severity
Medium 5.3
Published
21 Oct 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.4
Also known as
GHSA-j83v-w3p4-5cqh
Sources
NVD, Project advisories (GitHub)

Description

SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.

Affected software

SoftwareAffected versions
SquidServers and applications · cpe:a:squid-cache:squid
  • From 2.6 before 6.4
SquidServers and applications · github:squid-cache/squid
  • From 2.6 before 6.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-46846
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-46846
  • GitHub Advisory Database https://github.com/advisories/GHSA-j83v-w3p4-5cqh
  • github.com https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh