PT-2022-5563 · Haproxy+5 · Haproxy+5

Andrew Mcdermott + 1 · Published 2022-02-11 · Updated 2025-08-12 · CVE-2022-0711

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions HAProxy (affected versions not specified)

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 issue is availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2022-3040

ALT-PU-2023-1151

AZL-8899

BDU:2022-06920

BIT-HAPROXY-2022-0711

CVE-2022-0711

DSA-5102-1

OESA-2022-1578

OESA-2022-2054

OPENSUSE-SU-2022_2277-1

OPENSUSE-SU-2024:11876-1

RHSA-2022:1021

RHSA-2022:1153

RHSA-2022:1336

RHSA-2022:1620

SUSE-SU-2022:2277-1

SUSE-SU-2022_2277-1

USN-5312-1

Affected Products

Alt Linux

Astra Linux

Haproxy

Linuxmint

Suse

Ubuntu

References · 37

• https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8 · Patch
• https://osv.dev/vulnerability/OESA-2022-2054 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5312-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-1121SE47 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-haproxy-2022-0711 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:2277-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-ALPINE-316-CVE-2022-0711 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2022-0711 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5312-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20221220SE16 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-1110SE17 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5102-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-0711 · Security Note
• https://debian.org/security/2022/dsa-5102 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-0711 · Security Note