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CVE-2023-49285

SQUID-2023:7 Denial of Service in HTTP Message Processing

Severity
High 7.5
Published
2 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.5
Also known as
GHSA-8w9r-p88v-mmx9
Sources
NVD, Project advisories (GitHub)

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected software

SoftwareAffected versions
SquidServers and applications · cpe:a:squid-cache:squid
  • Every version up to 6.4
SquidServers and applications · github:squid-cache/squid
  • From 6.0 before 6.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-49285
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-49285
  • GitHub Advisory Database https://github.com/advisories/GHSA-8w9r-p88v-mmx9
  • github.com https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9