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httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()

🗓️ 22 Jun 2026 15:13:13Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 15 Views

In httpd mod_proxy_ajp, ajp_parse_data over-reads the heap, causing memory disclosure and DoS.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD		www/apache24 -- Multiple vulnerabilities
4 May 202600:00
–freebsd
ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities have been identified in IBM HTTP Server shipped with IBM DevOps Code ClearCase [CVE-2026-24072, CVE-2026-28780, CVE-2026-34059, CVE-2026-33523, CVE-2026-41080, CVE-2026-33857, CVE-2026-34032]
22 May 202605:57
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM HTTP Server is affected by multiple vulnerabilities
11 May 202622:12
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM HTTP Server shipped with IBM WebSphere Remote Server
18 May 202615:31
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities within IBM HTTP Server, affect IBM Tivoli Monitoring.
8 Jun 202616:44
–ibm
attackerkb
ATTACKERKB		CVE-2026-34059
4 May 202612:39
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : httpd, httpd-core, httpd-devel (ALAS2023-2026-1720)
26 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : httpd, --advisory ALAS2-2026-3314 (ALAS-2026-3314)
27 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : httpd (ALSA-2026:21391)
29 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : httpd (ALSA-2026:21433)
28 May 202600:00
–nessus
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25 Aug 2026 09:42Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00394
SSVC
CWE-126
httpdmod_proxy_ajpajp_parse_dataheap overreadmemory disclosuredenial of service
15