UpHeron
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Servers and applications

CVE-2023-46848

SQUID-2023:5 Denial of Service in FTP

Severity
High 7.5
Published
21 Oct 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.4
Also known as
GHSA-2g3c-pg7q-g59w
Sources
NVD, Project advisories (GitHub)

Description

Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.

Affected software

SoftwareAffected versions
SquidServers and applications · cpe:a:squid-cache:squid
  • From 5.0.3 before 6.4
SquidServers and applications · github:squid-cache/squid
  • From 6.0 before 6.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-46848
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-46848
  • GitHub Advisory Database https://github.com/advisories/GHSA-2g3c-pg7q-g59w
  • github.com https://github.com/squid-cache/squid/security/advisories/GHSA-2g3c-pg7q-g59w