Threats Tagged 'cve-2026-16354'

A critical security update for Mozilla Firefox Extended Support Release (ESR) 153.1.0 addresses multiple vulnerabilities across components such as graphics, JavaScript engine, DOM, and networking. The issues include use-after-free, privilege escalation, information disclosure, mitigation bypasses, same-origin policy bypass, integer overflow, race conditions, and denial-of-service. These vulnerabilities affect Firefox ESR 153.1.0 and related branding and translation packages.

These are all security issues fixed in the firefox-esr-140.13.0-1.1 package on the GA media of openSUSE Tumbleweed.

This update for MozillaFirefox fixes the following issues: - Update to Firefox Extended Support Release 140.13.0 ESR. - MFSA 2026-70 (bsc#1271649): * CVE-2026-15718: Invalid pointer in the JavaScript: WebAssembly component * CVE-2026-15719: Site isolation issue in the DOM: Navigation component * CVE-2026-16349: Same-origin policy bypass in the DOM: Navigation component * CVE-2026-16350: Incorrect boundary conditions in the Audio/Video: cubeb component * CVE-2026-16362: Use-after-free in the WebRTC: Audio/Video component * CVE-2026-16351: Sandbox escape due to use-after-free in the DOM: Navigation component * CVE-2026-16352: Sandbox escape due to use-after-free in the Disability Access APIs component * CVE-2026-16363: JIT miscompilation in the JavaScript: WebAssembly component * CVE-2026-16353: Invalid pointer in the DOM: Bindings (WebIDL) component * CVE-2026-16354: Information disclosure in the Graphics: ImageLib component * CVE-2026-16368: Incorrect boundary conditions in the JavaScript: WebAssembly component * CVE-2026-16369: Integer overflow in the JavaScript: WebAssembly component * CVE-2026-16355: JIT miscompilation in the JavaScript Engine: JIT component * CVE-2026-16356: Sandbox escape due to use-after-free in the Disability Access APIs component * CVE-2026-16357: Incorrect boundary conditions in the Graphics component * CVE-2026-16371: Privilege escalation in the DOM: Navigation component * CVE-2026-16374: Information disclosure in the Framework component in DevTools * CVE-2026-16375: Site isolation issue in the Networking: HTTP component * CVE-2026-16377: Mitigation bypass in the PDF Viewer component * CVE-2026-16379: Privilege escalation in the DOM: Content Processes component * CVE-2026-16358: Site isolation issue in the Graphics: WebRender component * CVE-2026-16381: Same-origin policy bypass in the Networking: DNS component * CVE-2026-16383: Mitigation bypass in the DOM: Networking component * CVE-2026-16387: Site isolation issue in the Networking component * CVE-2026-16390: Mitigation bypass in the Enterprise Policies component * CVE-2026-16391: Information disclosure in the Storage: IndexedDB component * CVE-2026-16359: Incorrect boundary conditions in the Audio/Video: GMP component * CVE-2026-16396: Privilege escalation in WebExtensions * CVE-2026-16405: Information disclosure in the Networking: WebSockets component * CVE-2026-16412: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153 * CVE-2026-16360: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153 * CVE-2026-16361: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13 - Remove obsolete `mozilla-nss-certs` (bsc#1269226).

These are all security issues fixed in the firefox-esr-140.13.0-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the MozillaThunderbird-140.13.0-1.1 package on the GA media of openSUSE Tumbleweed.

CVE-2026-16349 is a critical vulnerability in Mozilla Firefox involving a same-origin policy bypass in the DOM Navigation component. This flaw allows unauthorized access across origins, violating web security boundaries. The issue was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. No known exploits in the wild have been reported. Users should update to the fixed versions to mitigate the risk.

Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVE-2026-16354 is an information disclosure vulnerability in the Graphics: ImageLib component of Mozilla Firefox. This flaw allows unauthorized disclosure of information without impacting integrity or availability. The vulnerability has been fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. It carries a high severity rating with a CVSS score of 7.5. No known exploits in the wild have been reported. Users should update to the fixed versions to mitigate this issue.