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SUSE CVE-2026-55203

🗓️ 20 Jun 2026 02:28:54Reported by Suse CVEType 
susecve
 susecve
🔗 www.suse.com👁 10 Views

HAProxy 3.4.0 has integer overflow in fcgi_conn drl causing FCGI header misparse at 65535.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55203
18 Jun 202616:05
attackerkb
AlpineLinux
CVE-2026-55203
18 Jun 202616:05
alpinelinux
CBLMariner
CVE-2026-55203 affecting package haproxy for versions less than 2.9.11-7
1 Jul 202602:06
cbl_mariner
Chainguard
CVE-2026-55203 vulnerabilities
7 Jul 202614:17
cgr
Circl
CVE-2026-55203
18 Jun 202617:28
circl
CVE
CVE-2026-55203
18 Jun 202616:05
cve
Cvelist
CVE-2026-55203 HAProxy - Integer Overflow in FCGI Demux Record Length Field
18 Jun 202616:05
cvelist
Debian CVE
CVE-2026-55203
18 Jun 202616:05
debiancve
EUVD
EUVD-2026-37905
18 Jun 202616:05
euvd
Microsoft CVE
HAProxy - Integer Overflow in FCGI Demux Record Length Field
27 Jun 202608:07
mscve
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OSOS VersionArchitecturePackagePackage VersionFilename
SUSE Linux Micro5.3anyhaproxy2.4.22+git0.f8e3218e2-150400.3.28.1haproxy-2.4.22+git0.f8e3218e2-150400.3.28.1.noarch.rpm
SUSE Linux Micro5.4anyhaproxy2.4.22+git0.f8e3218e2-150400.3.28.1haproxy-2.4.22+git0.f8e3218e2-150400.3.28.1.noarch.rpm
SUSE Linux Micro5.5anyhaproxy2.4.22+git0.f8e3218e2-150400.3.28.1haproxy-2.4.22+git0.f8e3218e2-150400.3.28.1.noarch.rpm
SUSE Linux Enterprise Server15.4anyhaproxy2.4.22+git0.f8e3218e2-150400.3.28.1haproxy-2.4.22+git0.f8e3218e2-150400.3.28.1.noarch.rpm
SUSE Linux Enterprise Server15.5anyhaproxy2.4.22+git0.f8e3218e2-150400.3.28.1haproxy-2.4.22+git0.f8e3218e2-150400.3.28.1.noarch.rpm
SUSE Linux Enterprise Server15.6anyhaproxy2.8.11+git0.01c1056a4-150600.3.15.1haproxy-2.8.11+git0.01c1056a4-150600.3.15.1.noarch.rpm
SUSE Linux Enterprise Server15.7anyhaproxy2.8.11+git0.01c1056a4-150600.3.15.1haproxy-2.8.11+git0.01c1056a4-150600.3.15.1.noarch.rpm
SUSE Linux Micro6.2anyhaproxy3.2.21+git0.dbe43be37-160000.1.1haproxy-3.2.21+git0.dbe43be37-160000.1.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications16.0anyhaproxy3.2.21+git0.dbe43be37-160000.1.1haproxy-3.2.21+git0.dbe43be37-160000.1.1.noarch.rpm
OpenSUSE Tumbleweedanyhaproxy3.4.0+git31.fc300e9f2-1.1haproxy-3.4.0+git31.fc300e9f2-1.1.noarch.rpm
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07 Jul 2026 15:13Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.6
EPSS0.00321
10