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httpd: mod_md: unrestricted OCSP response leads to resource exhaustion

🗓️ 11 Aug 2026 14:30:33Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Unrestricted OCSP response in httpd mod_md causes memory exhaustion DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64httpd2.4.68-6.hum1httpd-2.4.68-6.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64httpd2.4.68-6.hum1httpd-2.4.68-6.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64httpd-core2.4.68-6.hum1httpd-core-2.4.68-6.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64httpd-core2.4.68-6.hum1httpd-core-2.4.68-6.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64httpd-devel2.4.68-6.hum1httpd-devel-2.4.68-6.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64httpd-devel2.4.68-6.hum1httpd-devel-2.4.68-6.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchhttpd-filesystem2.4.68-6.hum1httpd-filesystem-2.4.68-6.hum1.noarch.rpm
Red Hat Hardened Imagesanynoarchhttpd-manual2.4.68-6.hum1httpd-manual-2.4.68-6.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64httpd-tools2.4.68-6.hum1httpd-tools-2.4.68-6.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64httpd-tools2.4.68-6.hum1httpd-tools-2.4.68-6.hum1.x86_64.rpm
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21 Sep 2026 11:43Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.3
EPSS0.01068
SSVC
3