High [CVE-2026-34355] Buffer overflow in mod_proxy_html allows security bypass
This high-severity Red Hat Linux advisory covers CVE-2026-34355 affecting Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
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
Buffer overflow in mod_proxy_html allows security bypass. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-120. Affected package(s): httpd.
Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 3 more.
- httpd-0:2.4.63-13.el10_2.4
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:34109
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-2026:34109 (`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.