Red Hat Security Advisory

RHSA-2026:22313

compat-openssl11 security update

Released 2026-06-01 · Red Hat rating Moderate · View on Red Hat →

Fixed in

TI-2026-22665 CVE-2026-28390 · GHSA-fgpp-q3px-3xhc

MEDIUM 40

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00836 Published 2026-04-07 Partial fix · 3.6.2, 3.5.6 +5 CWE-476