High [CVE-2026-33857] off-by-one out-of-bounds reads in AJP getter functions
This high-severity Red Hat Linux advisory covers CVE-2026-33857 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 1.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
off-by-one out-of-bounds reads in AJP getter functions. Red Hat rates this moderate (CVSS 7.5).
Weakness: CWE-125. Affected package(s): httpd, httpd:2.4, jbcs-httpd24-httpd, httpd-main, mod_proxy_ajp.so.
Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7.
- httpd-0:2.4.62-13.el9_8.1
- httpd:2.4-8100020260519200905.489197e6
- jbcs-httpd24-httpd-0:2.4.62-13.el8jbcs
- httpd-main-2.4.67-0.1.hum1
- httpd-0:2.4.63-13.el10_2.1
- jbcs-httpd24-httpd-0:2.4.62-13.el7jbcs
- mod_proxy_ajp.so
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:27200
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- 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 months ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.