A VideoStreamEncoder may have been freed in a race condition with VideoBroadcaster::AddOrUpdateSink, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Object lifecycle issue in ServiceWorker in Google Chrome prior to 75.0.3770.80 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

Use after free in Blink in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Use after free in file chooser in Google Chrome prior to 74.0.3729.108 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page.

Use after free in V8 in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Mozilla developers reported memory safety bugs present in Firefox 70. 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. This vulnerability affects Firefox < 71.

Use after free in File System API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Use-after-free in Bluetooth in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Use-after-free in WebAudio in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.

It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. This results in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Use after free in Profiles in Google Chrome prior to 95.0.4638.54 allowed a remote attacker who convinced a user to engage in specific gestures to potentially exploit heap corruption via a crafted HTML page.

Use after free in Garbage Collection in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Use after free in Tab Strip in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

Use after free in Profiles in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Use after free in Printing in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Use after free in Garbage Collection in Google Chrome prior to 119.0.6045.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted avif file. (Chromium security severity: High)

Use after free in Mojo in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in Reading Mode in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Use after free in Media Stream in Google Chrome prior to 120.0.6099.62 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted avif file. (Chromium security severity: High)

Use after free in WebAudio in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in Side Panel in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Use after free in Extensions in Google Chrome prior to 117.0.5938.132 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Memory safety bugs present in Firefox 148.0.2. 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. This vulnerability was fixed in Firefox 148.0.2.

Use after free in Guest View in Google Chrome prior to 113.0.5672.126 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in DevTools in Google Chrome prior to 113.0.5672.126 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in Networking APIs in Google Chrome prior to 112.0.5615.49 allowed a remote attacker who convinced a user to engage in specific UI interaction to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Use after free in Frames in Google Chrome prior to 112.0.5615.49 allowed a remote attacker who convinced a user to engage in specific UI interaction to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Use after free in Vulkan in Google Chrome prior to 112.0.5615.49 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Use after free in Network Internals in Google Chrome on Linux prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Use after free in Blink in Google Chrome on OS X prior to 90.0.4430.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

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.

When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.