High8.1Red Hat & Ubuntu Linux
Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow
CVE-2026-28780 Published May 5, 2026
CVE-2026-28780
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow. Red Hat rates this important (CVSS 8.1). Weakness: CWE-787. Affected package(s): httpd, httpd:2.4, jbcs-httpd24-httpd. Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`).
Affected versions
- httpd-0:2.4.62-13.el9_8.1
- httpd:2.4-8100020260519200905.489197e6
- jbcs-httpd24-httpd-0:2.4.62-13.el8jbcs
- httpd-0:2.4.63-13.el10_2.1
- jbcs-httpd24-httpd-0:2.4.62-13.el7jbcs
- httpd
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:27200
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:27200 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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