UpHeron
All vulnerabilities

Servers and applications

CVE-2020-11653

An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

Severity
High 7.5
Published
8 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.0.6
Sources
NVD

Affected software

SoftwareAffected versions
Varnish CacheServers and applications · cpe:a:varnish-software:varnish_cache
  • From 6.0.0 before 6.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-11653
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-11653