UpHeron
All vulnerabilities

Servers and applications

CVE-2023-49286

SQUID-2023:8 Denial of Service in Helper Process management

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-xggx-9329-3c27
Sources
NVD, Project advisories (GitHub)

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. 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
  • Every version before 6.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-49286
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-49286
  • GitHub Advisory Database https://github.com/advisories/GHSA-xggx-9329-3c27
  • github.com https://github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27