CVE-2022-0711

HIGH

HAProxy 2.2.0-2.2.20 - Denial of Service via Set-Cookie2 Header Processing

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/cve-2022-0711
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5102

Scores

CVSS v3 7.5
EPSS 0.1619
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-835
Status published
Products (6)
debian/debian_linux 11.0
haproxy/haproxy 2.2.0 - 2.2.21
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
redhat/openshift_container_platform 4.0
redhat/software_collections
Published Mar 02, 2022
Tracked Since Feb 18, 2026