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haproxy: Proxy forwards malformed empty Content-Length headers

🗓️ 25 Jan 2024 07:51:11Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

A proxy forwards malformed empty Content-Length headers, risking extra HTTP requests.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities were identified in IBM Security Verify Access.
9 Jan 202420:27
–ibm
IBM Security Bulletins		Security Bulletin: IBM Storage Ceph is vulnerable to HTTP Request/Response Smuggling and Unauthorized Exposure of Information in HAProxy (CVE-2023-40225, CVE-2023-0836, CVE-2023-25725, CVE-2023-45539)
7 Jul 202520:02
–ibm
ATTACKERKB		CVE-2023-40225
10 Aug 202321:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : haproxy (ALAS2023-2023-293)
24 Aug 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : haproxy2 (ALASHAPROXY2-2023-007)
27 Sep 202300:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0104: haproxy (ALINUX3-SA-2024:0104)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : haproxy (ALSA-2024:1142)
7 Mar 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2023-2878)
16 Jan 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2023-2897)
16 Jan 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : haproxy (EulerOS-SA-2023-3008)
16 Jan 202400:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64haproxy-debugsource2.2.24-4.rhaos4.11.el8haproxy-debugsource-2.2.24-4.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy-debugsource2.2.24-4.rhaos4.11.el8haproxy-debugsource-2.2.24-4.rhaos4.11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xhaproxy-debugsource2.2.24-4.rhaos4.11.el8haproxy-debugsource-2.2.24-4.rhaos4.11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64haproxy-debugsource2.2.24-4.rhaos4.11.el8haproxy-debugsource-2.2.24-4.rhaos4.11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64haproxy222.2.24-4.rhaos4.11.el8haproxy22-2.2.24-4.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy222.2.24-4.rhaos4.11.el8haproxy22-2.2.24-4.rhaos4.11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xhaproxy222.2.24-4.rhaos4.11.el8haproxy22-2.2.24-4.rhaos4.11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64haproxy222.2.24-4.rhaos4.11.el8haproxy22-2.2.24-4.rhaos4.11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64haproxy22-debuginfo2.2.24-4.rhaos4.11.el8haproxy22-debuginfo-2.2.24-4.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy22-debuginfo2.2.24-4.rhaos4.11.el8haproxy22-debuginfo-2.2.24-4.rhaos4.11.el8.ppc64le.rpm
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18 Mar 2026 02:33Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.2
EPSS0.01815
SSVC
CWE-20
malformed content lengthempty content length headerproxy forwarding bugweb server vulnerability
4