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Known vulnerabilities in Mozilla Firefox ESR

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CVE Summary Score Published
CVE-2023-5726 A website could have obscured the full screen notification by using the file open dialog Not rated Oct 24, 2023
CVE-2023-5725 A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to… Not rated Oct 24, 2023
CVE-2023-5724 Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash 7.5 High Oct 24, 2023
CVE-2023-5721 It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due… Not rated Oct 24, 2023
CVE-2023-5176 Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2 9.8 Critical Sep 27, 2023
CVE-2023-5174 If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer… 9.8 Critical Sep 27, 2023
CVE-2023-5171 During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker… Not rated Sep 27, 2023
CVE-2023-5169 A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds… Not rated Sep 27, 2023
CVE-2023-5168 A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds… 9.8 Critical Sep 27, 2023
CVE-2023-4585 Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1 8.8 High Sep 11, 2023
CVE-2023-4584 Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird… Not rated Sep 11, 2023
CVE-2023-4583 When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available… 7.5 High Sep 11, 2023
CVE-2023-4582 Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when… 8.8 High Sep 11, 2023
CVE-2023-4581 Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be… Not rated Sep 11, 2023
CVE-2023-4580 Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of… Not rated Sep 11, 2023
CVE-2023-4578 When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling… Not rated Sep 11, 2023
CVE-2023-4577 When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to… Not rated Sep 11, 2023
CVE-2023-4576 On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer… Not rated Sep 11, 2023
CVE-2023-4575 When creating a callback over IPC for showing the File Picker window, multiple of the same callbacks could have been… Not rated Sep 11, 2023
CVE-2023-4574 When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been… Not rated Sep 11, 2023
CVE-2023-4573 When receiving rendering data over IPC `mStream` could have been destroyed when initialized, which could have led to a… Not rated Sep 11, 2023
CVE-2023-4057 Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0 Not rated Aug 1, 2023
CVE-2023-4056 Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird… Not rated Aug 1, 2023
CVE-2023-4055 When the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no… Not rated Aug 1, 2023
CVE-2023-4054 When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code Not rated Aug 1, 2023

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