Threats Tagged 'cve-2026-12318'

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.

CVE-2026-12318 is a vulnerability in the Libraries component of NSS used by Mozilla Firefox. It involves incorrect boundary conditions that could lead to security issues. This vulnerability was fixed in Firefox version 152. The CVSS score is 7.3, indicating a high severity impact with potential confidentiality, integrity, and availability impacts. Mozilla has released an official security advisory confirming the fix in Firefox 152. No known exploits are reported in the wild for this specific vulnerability.