Threats Tagged 'cve-2026-12327'

Multiple security vulnerabilities affecting Mozilla Firefox and Thunderbird have been addressed in Red Hat Enterprise Linux 10 updates. These include sandbox escapes, information disclosure, memory safety bugs, mitigation bypasses, privilege escalation, denial-of-service, and boundary condition errors across various components such as DOM, Security Process Sandboxing, Graphics, Networking, and Internationalization. The update fixes these issues in Firefox ESR 140.12, Firefox 152, Thunderbird ESR 140.12, and Thunderbird 152. The vulnerabilities have a high security impact and affect Red Hat Enterprise Linux 10 versions with firefox-0:140.12.0-1.el10_2.x86_64. Users are advised to apply the security update provided by Red Hat to remediate these issues.

Multiple security vulnerabilities affecting Mozilla Firefox and Thunderbird have been addressed in Red Hat Enterprise Linux 8 updates. These include sandbox escapes, information disclosure, memory safety bugs, mitigation bypasses, privilege escalation, denial-of-service, and same-origin policy bypasses across various components such as DOM, Security Process Sandboxing, Graphics, Networking, and Internationalization. The update fixes these issues in Firefox ESR 140.12, Firefox 152, Thunderbird ESR 140.12, and Thunderbird 152.

Multiple memory safety vulnerabilities were identified in Mozilla Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151, and Thunderbird 151. These bugs showed evidence of memory corruption and could potentially be exploited to execute arbitrary code. The issues were addressed and fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird ESR 140.12. The vulnerabilities are classified as high severity with a CVSS score of 8.1.

Multiple security vulnerabilities have been identified and fixed in Mozilla Thunderbird, including sandbox escapes, information disclosure, memory safety bugs, denial-of-service, privilege escalation, mitigation bypasses, and boundary condition errors. These issues affect Thunderbird ESR 140.12 and related Firefox versions. Red Hat has released security updates for Thunderbird in Red Hat Enterprise Linux 9.6 Extended Update Support to address these vulnerabilities.