CVEs published in September 2026
14,845 vulnerabilities, 1,524 critical, 36 exploited.
- No product listedAn issue in AltumCode 66Uptime before v.54.0.0 and 66Uptime ping-servers plugin before v.2.0.0...9.8 Critical
- opensslQUIC Unvalidated Amplification Credit may be Over Accounted3.7 Low
- openssl, siemens simatic s7-1500 cpu 1518-4 pn/dp mfp (6es7518-4ax00-1ab0), simatic s7-1500 cpu 1518-4 pn/dp mfp (6es7518-4ax00-1ac0) +3 more +5 moreExcessive Memory Allocation in Relative CRLDP Processing5.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics: Canvas2D component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: UI Events & Focus Handling component8.8 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Navigation component8.1 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Security component9.6 Critical
- mozilla firefox, thunderbird +1 moreMitigation bypass in the Bookmarks & History component9.6 Critical
- mozilla firefox, thunderbird +1 moreDenial-of-service in the Storage: StorageManager component6.5 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the JavaScript Engine: JIT component8.8 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the Places component8.8 High
- mozilla firefox, thunderbird +1 moreSpoofing issue in the Networking: HTTP component5.4 Medium
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Panning and Zooming component4.7 Medium
- mozilla firefox, thunderbird +1 morePrivilege escalation in the Address Bar component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the XPCOM component9.6 Critical
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Widget: Gtk component9.6 Critical
- mozilla firefox, thunderbird +1 moreSite isolation issue in the DOM: Networking component8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the CSS Parsing and Computation component8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the JavaScript Engine: JIT component8.8 High
- mozilla firefox, thunderbird +1 moreDenial-of-service in the Graphics component6.5 Medium
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the DOM: Core & HTML component9.6 Critical
- mozilla firefox, thunderbird +1 moreSame-origin policy bypass in the DevTools component8.1 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Service Workers component8.8 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the DOM: Service Workers component8.8 High
- mozilla firefox, thunderbird +1 moreUninitialized memory in the Graphics: WebGPU component4.3 Medium
- mozilla firefox, thunderbird +1 moreSame-origin policy bypass in the WebExtensions component8.1 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the DLL Services component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Disability Access APIs component9.6 Critical
- mozilla firefox, thunderbird +1 moreCryptography misuse in Storage: Quota Manager component8.1 High
- mozilla firefox, thunderbird +1 morePrivilege escalation due to use-after-free in the Graphics: WebRender component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Internationalization component9.6 Critical
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript: WebAssembly component7.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the XSLT component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics: Canvas2D component8.8 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the JavaScript: WebAssembly component9.8 Critical
- mozilla firefox, thunderbird +1 moreSandbox escape in the XUL component9.6 Critical
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Graphics component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout: Text and Fonts component8.8 High
- mozilla firefox, thunderbird +1 moreUninitialized memory in the Audio/Video component4.3 Medium
- mozilla firefox, thunderbird +1 morePrivilege escalation due to incorrect boundary conditions in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Graphics: WebRender component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the XSLT component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the DOM: Core & HTML component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics: Canvas2D component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the JavaScript: WebAssembly component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape in the Graphics component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
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