UpHeron
All vulnerabilities

Servers and applications

CVE-2022-0711

A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.

Severity
High 7.5
Published
2 Mar 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.2.21, 2.3.18, 2.4.13
Sources
NVD

Affected software

SoftwareAffected versions
HAProxyServers and applications · cpe:a:haproxy:haproxy
  • From 2.2.0 before 2.2.21
  • From 2.3.0 before 2.3.18
  • From 2.4.0 before 2.4.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-0711
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-0711