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Vulnerabilities of Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

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CVE Summary Score Published
CVE-2026-33526 Squid is a caching proxy for the Web 9.2 Critical Mar 26, 2026
CVE-2026-4721 Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and… 9.8 Critical Mar 24, 2026
CVE-2026-4720 Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 9.8 Critical Mar 24, 2026
CVE-2026-4700 Mitigation bypass in the Networking: HTTP component 9.8 Critical Mar 24, 2026
CVE-2026-4696 Use-after-free in the Layout: Text and Fonts component 9.8 Critical Mar 24, 2026
CVE-2026-4691 Use-after-free in the CSS Parsing and Computation component 9.8 Critical Mar 24, 2026
CVE-2026-4692 Sandbox escape in the Responsive Design Mode component 9.6 Critical Mar 24, 2026
CVE-2026-4689 Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component 10.0 Critical Mar 24, 2026
CVE-2026-4690 Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component 9.6 Critical Mar 24, 2026
CVE-2026-4687 Sandbox escape due to incorrect boundary conditions in the Telemetry component 9.6 Critical Mar 24, 2026
CVE-2026-4688 Sandbox escape due to use-after-free in the Disability Access APIs component 9.6 Critical Mar 24, 2026
CVE-2006-10003 XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack 9.8 Critical Mar 19, 2026
CVE-2026-31806 FreeRDP is a free implementation of the Remote Desktop Protocol 9.3 Critical Mar 13, 2026
CVE-2026-2793 Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and… 9.8 Critical Feb 24, 2026
CVE-2026-2792 Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147 9.8 Critical Feb 24, 2026
CVE-2026-2778 Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component 10.0 Critical Feb 24, 2026
CVE-2026-2776 Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software 10.0 Critical Feb 24, 2026
CVE-2026-2777 Privilege escalation in the Messaging System component 9.8 Critical Feb 24, 2026
CVE-2026-2775 Mitigation bypass in the DOM: HTML Parser component 9.8 Critical Feb 24, 2026
CVE-2026-2773 Incorrect boundary conditions in the Web Audio component 9.8 Critical Feb 24, 2026
CVE-2026-2771 Undefined behavior in the DOM: Core & HTML component 9.8 Critical Feb 24, 2026
CVE-2026-2768 Sandbox escape in the Storage: IndexedDB component 10.0 Critical Feb 24, 2026
CVE-2026-2766 Use-after-free in the JavaScript Engine: JIT component 9.8 Critical Feb 24, 2026
CVE-2026-2764 JIT miscompilation, use-after-free in the JavaScript Engine: JIT component 9.8 Critical Feb 24, 2026
CVE-2026-2765 Use-after-free in the JavaScript Engine component 9.8 Critical Feb 24, 2026

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