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httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions

🗓️ 28 Jul 2026 09:07:01Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Apache httpd mod_proxy_ajp has off-by-one out-of-bounds reads in AJP getters, enabling denial of service.

Related
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Refs
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FreeBSD		www/apache24 -- Multiple vulnerabilities
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11 May 202622:12
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IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM HTTP Server shipped with IBM WebSphere Remote Server
18 May 202615:31
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities within IBM HTTP Server, affect IBM Tivoli Monitoring.
8 Jun 202616:44
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attackerkb
ATTACKERKB		CVE-2026-33857
4 May 202613:07
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Tenable Nessus		Amazon Linux 2023 : httpd, httpd-core, httpd-devel (ALAS2023-2026-1720)
26 May 202600:00
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Tenable Nessus		Amazon Linux 2 : httpd, --advisory ALAS2-2026-3314 (ALAS-2026-3314)
27 May 202600:00
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Tenable Nessus		AlmaLinux 9 : httpd (ALSA-2026:21391)
29 May 202600:00
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Tenable Nessus		AlmaLinux 10 : httpd (ALSA-2026:21433)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64httpd2.4.63-1.el10_0.4httpd-2.4.63-1.el10_0.4.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lehttpd2.4.63-1.el10_0.4httpd-2.4.63-1.el10_0.4.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xhttpd2.4.63-1.el10_0.4httpd-2.4.63-1.el10_0.4.s390x.rpm
Red Hat Enterprise Linux10.0x86_64httpd2.4.63-1.el10_0.4httpd-2.4.63-1.el10_0.4.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64httpd-core2.4.63-1.el10_0.4httpd-core-2.4.63-1.el10_0.4.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lehttpd-core2.4.63-1.el10_0.4httpd-core-2.4.63-1.el10_0.4.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xhttpd-core2.4.63-1.el10_0.4httpd-core-2.4.63-1.el10_0.4.s390x.rpm
Red Hat Enterprise Linux10.0x86_64httpd-core2.4.63-1.el10_0.4httpd-core-2.4.63-1.el10_0.4.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64httpd-core-debuginfo2.4.63-1.el10_0.4httpd-core-debuginfo-2.4.63-1.el10_0.4.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lehttpd-core-debuginfo2.4.63-1.el10_0.4httpd-core-debuginfo-2.4.63-1.el10_0.4.ppc64le.rpm
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29 Jul 2026 17:08Current
6Medium risk
Vulners AI Score6
CVSS 3.15.3
EPSS0.00393
SSVC
CWE-125
apache httpdmod proxy ajpout of bounds readdenial of service
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