All vulnerabilities

Servers and applications

CVE-2022-23959

In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.

Severity
Critical 9.1
Published
26 Jan 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.0.10, 7.0.2
Sources
NVD

Affected software

SoftwareAffected versions
Varnish CacheServers and applications · cpe:a:varnish-software:varnish_cache
  • From 6.0.0 before 6.0.10
Varnish CacheServers and applications · cpe:a:varnish_cache_project:varnish_cache
  • From 7.0.0 before 7.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-23959
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-23959