Type/Severity: Important Affected Products: - Various versions of Red Hat Enterprise Linux 5, 6, and 7 - Power architecture versions for Red Hat Enterprise Linux Server and Workstation - Extended Update Support and AUS (Automatic Updates Support) versions - Different architectures including x86_64, i386, ppc64le, and s390x CVEs: - Multiple CVE entries including CVE-2017-5373, CVE-2017-5375, CVE-2017-5376, CVE-2017-5378 Description: - Security fixes in Thunderbird version 45.7.0 by Mozilla Project - Multiple flaws in processing of malformed web content leading to crashes or code execution vulnerabilities Fixes and References: Links to Red Hat Security Advisories and Mozilla Security Advisories detailing vulnerabilities Red Hat Lightspeed patch analysis: Identifies and remediates affected systems