Heap Use-After-Free in OpenSSL PKCS7_verify()
Summary
Heap Use-After-Free in OpenSSL PKCS7_verify(). Red Hat rates this important (CVSS 8.1). Weakness: CWE-825. Affected package(s): insights-proxy/insights-proxy-container-rhel9:1782890503, rhui5/haproxy-rhel9:1781525671, openssl, compat-openssl11, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684. Resolved in Red Hat advisory RHSA-2026:26275 — 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
- compat-openssl11-1:1.1.1k-5.el9_6.3
- rhui5/installer-rhel9:1781525693
- openssl-1:1.1.1k-16.el8_6
- 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 5 hours ago·verify at source
- RHSA-2026:26275
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26275 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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