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Important: haproxy security update

🗓️ 17 Aug 2026 00:00:00Reported by AlmaLinuxType 
almalinux
 almalinux
🔗 errata.almalinux.org👁 3 Views

HAProxy DoS via HPACK table insertions and response smuggling via FastCGI integer overflow, CVE-2026-55203/55204.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
almalinux9ppc64lehaproxy2.8.14-3.el9_8.2haproxy-2.8.14-3.el9_8.2.ppc64le.rpm
almalinux9aarch64haproxy2.8.14-3.el9_8.2haproxy-2.8.14-3.el9_8.2.aarch64.rpm
almalinux9x86_64haproxy2.8.14-3.el9_8.2haproxy-2.8.14-3.el9_8.2.x86_64.rpm
almalinux9s390xhaproxy2.8.14-3.el9_8.2haproxy-2.8.14-3.el9_8.2.s390x.rpm

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18 Aug 2026 08:52Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5 - 9.1
CVSS 49
EPSS0.00484
SSVC
3