CVE-2023-5728High 7.5During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR 1.3%
CVE-2023-5727UnratedThe executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer.
*Note: This issue only affected Windows 0.8%
CVE-2023-5726UnratedA website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.
*Note: This issue only affected macOS op0.7%
CVE-2023-5725UnratedA malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ES0.9%
CVE-2023-5724High 7.5Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 1.5%
CVE-2023-5723UnratedAn attacker with temporary script access to a site could have set a cookie containing invalid characters using `document.cookie` that could have led to unknown errors. This vulnerability affects Firef0.7%
CVE-2023-5722UnratedUsing iterative requests an attacker was able to learn the size of an opaque response, as well as the contents of a server-supplied Vary header. This vulnerability affects Firefox < 119.0.6%
CVE-2023-5721UnratedIt was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Fire0.8%
CVE-2023-5175Critical 9.8During process shutdown, it was possible that an `ImageBitmap` was created that would later be used after being freed from a different codepath, leading to a potentially exploitable crash. This vulner1.0%
CVE-2023-5173UnratedIn a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds wri0.9%
CVE-2023-5172Critical 9.8A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.1.0%
CVE-2023-5170UnratedIn canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sand0.7%
CVE-2023-5176Critical 9.8Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could 1.4%
CVE-2023-5174Critical 9.8If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.
*This1.2%
CVE-2023-5171UnratedDuring Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerabili1.1%
CVE-2023-5169UnratedA compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vuln1.1%
CVE-2023-5168Critical 9.8A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process.
*This bug 1.1%
CVE-2023-4585High 8.8Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.20.8%
CVE-2023-4584UnratedMemory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.20.8%
CVE-2023-4583High 7.5Browsing Context potentially not cleared when closing Private Window0.7%
CVE-2023-4582High 8.8Buffer Overflow in WebGL glGetProgramiv0.9%
CVE-2023-4581UnratedXLL file extensions were downloadable without warnings0.6%
CVE-2023-4580UnratedPush notifications saved to disk unencrypted0.4%
CVE-2023-4579UnratedPersisted search terms were formatted as URLs0.5%
CVE-2023-4578UnratedError reporting methods in SpiderMonkey could have triggered an Out of Memory Exception0.6%
CVE-2023-4577UnratedMemory corruption in JIT UpdateRegExpStatics0.7%
CVE-2023-4576UnratedInteger Overflow in RecordedSourceSurfaceCreation0.8%
CVE-2023-4575UnratedMemory corruption in IPC FilePickerShownCallback0.7%
CVE-2023-4574UnratedMemory corruption in IPC ColorPickerShownCallback0.7%
CVE-2023-4573UnratedMemory corruption in IPC CanvasTranslator0.6%
CVE-2022-46884UnratedA potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time. This could have lead to memory corruption or a potentially exploitable crash0.5%
CVE-2023-4058UnratedMemory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.0.8%
CVE-2023-4057UnratedMemory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could 0.9%
CVE-2023-4056UnratedMemory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that0.9%
CVE-2023-4055UnratedWhen the number of cookies per domain was exceeded in `document.cookie`, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests0.7%
CVE-2023-4054UnratedWhen opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.
*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulne0.2%
CVE-2023-4053UnratedFull screen notification obscured by external program0.8%
CVE-2023-4052UnratedThe Firefox updater created a directory writable by non-privileged users. When uninstalling Firefox, any files in that directory would be recursively deleted with the permissions of the uninstalling u0.7%
CVE-2023-4051UnratedFull screen notification obscured by file open dialog0.7%
CVE-2023-4050UnratedIn some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnera12.6%
CVE-2023-4049UnratedRace conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox <0.6%
CVE-2023-4048UnratedAn out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR 0.9%
CVE-2023-4047UnratedA bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, an0.6%
CVE-2023-4046UnratedIn some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process.1.1%
CVE-2023-4045UnratedOffscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox 0.6%
CVE-2023-37212UnratedMemory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.0.6%
CVE-2023-37210UnratedA website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.0.3%
CVE-2023-37209UnratedA use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object was freed and a reference to that object remained. This resulted in a potentially exploitable0.6%
CVE-2023-37206UnratedUploading files which contain symlinks may have allowed an attacker to trick a user into submitting sensitive data to a malicious website. This vulnerability affects Firefox < 115.0.7%