Heap buffer overflow due to signed integer overflow in Unicode output sizing
Summary
Heap buffer overflow due to signed integer overflow in Unicode output sizing. Red Hat rates this low (CVSS 5.5). Weakness: CWE-190. Affected package(s): insights-proxy/insights-proxy-container-rhel9:1782890503, rhui5/haproxy-rhel9:1781525671, openssl, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:29197 — update the affected packages (`sudo dnf update`).
- insights-proxy/insights-proxy-container-rhel9:1782890503
- rhui5/haproxy-rhel9:1781525671
- openssl-1:3.5.5-4.el10_2
- rhui5/installer-rhel9:1781525693
- openssl-1:3.5.5-4.el9_8
- rhui5/cds-rhel9:1781525684
- discovery/discovery-ui-rhel9:1782166952
- discovery/discovery-server-rhel9:1782159791
- rhui5/rhua-rhel9:1781525739
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- RHSA-2026:29197
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:29197 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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