CVE-2023-0836

CVE	CVE-2023-0836
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2023-03-29 21:15:00 UTC
Updated	2023-11-07 04:01:00 UTC
Description	An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.

Problem Types: CWE-459

Type	Vendor	Product	Version	Update	Edition	Language
Application	Haproxy	Haproxy	All	All	All	All
Application	Haproxy	Haproxy	2.1.0	All	All	All
Application	Haproxy	Haproxy	2.3.0	All	All	All
Application	Haproxy	Haproxy	2.7.0	All	All	All
Application	Haproxy	Haproxy	All	All	All	All
Application	Haproxy	Haproxy	All	All	All	All
Application	Haproxy	Haproxy	All	All	All	All

Reference	Source	Link	Tags
Repositories - haproxy.git/commitdiff	MISC	git.haproxy.org
Repositories		git.haproxy.org
Debian -- Security Information -- DSA-5388-1 haproxy	DEBIAN	www.debian.org
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

161076 Oracle Enterprise Linux Security Update for haproxy (ELSA-2023-6496)
181736 Debian Security Update for haproxy (DSA 5388-1)
184718 Debian Security Update for haproxy (CVE-2023-0836)
199269 Ubuntu Security Notification for HAProxy Vulnerability (USN-5994-1)
242324 Red Hat Update for haproxy (RHSA-2023:6496)
356219 Amazon Linux Security Advisory for haproxy2 : ALASHAPROXY2-2023-002
673744 EulerOS Security Update for haproxy (EulerOS-SA-2023-2687)
673834 EulerOS Security Update for haproxy (EulerOS-SA-2023-2645)
941385 AlmaLinux Security Update for haproxy (ALSA-2023:6496)