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CVSS: 10.0EPSS: 0%CPEs: 36EXPL: 0

03 Sep 2024 — Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web content that tried to use those interfaces would not be able to use them with elevated privileges, but their presence would indicate certain browser features had been used, such as when a user opened the Dev Tools console. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15. Internal browser event interfaces were exposed to web content wh... • https://bugzilla.mozilla.org/show_bug.cgi?id=1906744 • CWE-273: Improper Check for Dropped Privileges CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere •

CVSS: 10.0EPSS: 0%CPEs: 36EXPL: 0

03 Sep 2024 — A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15. A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15. The M... • https://bugzilla.mozilla.org/show_bug.cgi?id=1912715 • CWE-704: Incorrect Type Conversion or Cast CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') •

CVSS: 8.1EPSS: 0%CPEs: 34EXPL: 0

06 Aug 2024 — The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. The date picker could partially obscure security prompts. This could be used by a malicious site to trick a user into granting permissions. • https://bugzilla.mozilla.org/show_bug.cgi?id=1903187 • CWE-451: User Interface (UI) Misrepresentation of Critical Information •

CVSS: 10.0EPSS: 0%CPEs: 31EXPL: 0

06 Aug 2024 — Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129 and Firefox ESR < 128.1. Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1. The Mozilla Foundation Security Advisory describes this flaw as: Incorrect garbage collection interaction in IndexedDB could have led to a use-after-free. • https://bugzilla.mozilla.org/show_bug.cgi?id=1895951 • CWE-416: Use After Free •

CVSS: 10.0EPSS: 0%CPEs: 34EXPL: 0

06 Aug 2024 — Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14. The Mozilla Foundation Security Advisory describes this flaw as: Unexpected marking work at the start of sweeping could h... • https://bugzilla.mozilla.org/show_bug.cgi?id=1871303 • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 33EXPL: 0

06 Aug 2024 — ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. • https://bugzilla.mozilla.org/show_bug.cgi?id=1910306 • CWE-908: Use of Uninitialized Resource •

CVSS: 9.4EPSS: 0%CPEs: 34EXPL: 0

06 Aug 2024 — It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1... • https://bugzilla.mozilla.org/show_bug.cgi?id=1909298 • CWE-269: Improper Privilege Management CWE-284: Improper Access Control •

CVSS: 10.0EPSS: 0%CPEs: 34EXPL: 0

06 Aug 2024 — Editor code failed to check an attribute value. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. Editor code failed to check an attribute value. This could have led to an out-of-bounds read. • https://bugzilla.mozilla.org/show_bug.cgi?id=1906727 • CWE-125: Out-of-bounds Read •

CVSS: 10.0EPSS: 0%CPEs: 34EXPL: 0

06 Aug 2024 — Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1. Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14. The Mozilla Foundation Security Advisory describes this flaw as: Incomplete WebAssembly exception handing could have led to a use-after-f... • https://bugzilla.mozilla.org/show_bug.cgi?id=1904644 • CWE-416: Use After Free CWE-755: Improper Handling of Exceptional Conditions •

CVSS: 10.0EPSS: 0%CPEs: 31EXPL: 0

06 Aug 2024 — A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129 and Firefox ESR < 128.1. A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1. The Mozilla Foundation Security Advisory describes this flaw as: A type confusion bug in WebAssembly could be leveraged by an attacker to po... • https://bugzilla.mozilla.org/show_bug.cgi?id=1903041 •