High7.5Vendor: MediumRed Hat & Ubuntu Linux
Heap-based Buffer Overflow via malicious backend servers
CVE-2026-34356 Published Jun 8, 2026
CVE-2026-34356
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Heap-based Buffer Overflow via malicious backend servers. Red Hat rates this moderate (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 versions
- httpd-0:2.4.63-13.el10_2.4
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:34109
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- 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 6 hours ago·verify at source
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