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.
Scores
CVSS v3
7.5
EPSS
0.6648
EPSS Percentile
98.5%
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