CVE-2022-0711

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 14.15% Top 10%
Vendor Advisory debian.org
Affected: n/a haproxy
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/cve-2022-0711 third party advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html
https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8 third party advisory patch
https://www.debian.org/security/2022/dsa-5102 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-0711?
CVE-2022-0711 has been scored as a high severity vulnerability.
How to fix CVE-2022-0711?
To fix CVE-2022-0711, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-0711 being actively exploited in the wild?
It is possible that CVE-2022-0711 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~14% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-0711?
CVE-2022-0711 affects n/a haproxy.
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