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Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox ESR 115.45.

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Summary Cloudflare tokio-quiche was found to contain an uncontrolled resource consumption vulnerability in its HTTP/3 DATAGRAM handling. For every previously unseen flow identifier (quarter stream ID) received in a DATAGRAM frame, tokio-quiche creates and retains new, per-flow state. A remote peer can send DATAGRAMs with many distinct identifiers, causing the per-connection flow map and associated channel state to grow without bound. Impact Exploitation can exhaust process memory and cause a denial of service. The vulnerable code is used in both client and server configurations, so either role can be affected by a malicious peer. QUIC DATAGRAM support in tokio-quiche is enabled by default through QuicSettings::enable_dgram; applications can disable it by setting this field to false. The vulnerable HTTP/3 path is reachable only when DATAGRAM support is negotiated with the peer. Core quiche and HTTP/3 deployments without DATAGRAM support are not affected.  Mitigation Disable DATAGRAMs in tokio-quiche’s QuicSettings::enable_dgram. Remediation Upgrade to tokio-quiche version 0.23.0 or later. The fixed code creates flow state only for valid DATAGRAM-capable request streams, which are bounded by QUIC’s stream limits. To tolerate packet reordering, servers retain early DATAGRAMs in a bounded, expiring buffer, while clients discard DATAGRAMs for unknown flows.

Denial of service Server

Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Information disclosure in the Security: RLBox component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Invalid pointer in the DOM: Streams component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Use-after-free in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Information disclosure in the Marionette component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

Other Browser & mail

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Information disclosure in the Address Bar component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Disclosure Browser & mail

Same-origin policy bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Other Browser & mail

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Sandbox escape in the Console component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Spoofing issue in the Security component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Undefined behavior in the WebRTC: Networking component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Other issue in the Media component in Firefox for Android. This vulnerability was fixed in Firefox 160.

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Use-after-free in the CSS Transitions and Animations component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Sandbox escape in the Agent component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Information disclosure in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

Disclosure Browser & mail

Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Mitigation bypass in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Information disclosure in the Layout: Form Controls component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Spoofing issue in the DOM: Security component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

XSS Browser & mail

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Privilege escalation due to use-after-free in the WebRTC: Networking component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Sandbox escape in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Use-after-free in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

XSS Browser & mail

Use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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Information disclosure in the Private Browsing component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Mitigation bypass in the WebExtensions component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Other Browser & mail

Clickjacking issue in the Autofill component in Firefox for Android. This vulnerability was fixed in Firefox 160.

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Use-after-free in the Storage: localStorage & sessionStorage component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

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Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

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