Mozilla: Caret character improperly escaped in origins

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

UBUNTU-CVE-2019-11715

Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Mozilla: Sandbox escape using Prompt:Open

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing...

Mozilla: Type confusion in Array.pop

A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR 60.7.1, Firefox 67.0.3, and Thunderbird 60.7.2...

Mozilla: Sandbox escape using Prompt:Open

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing...

Mozilla: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7

Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This...

Mozilla: Use-after-free of ChromeEventHandler by DocShell

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

UBUNTU-CVE-2019-9820

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

UBUNTU-CVE-2019-11691

A use-after-free vulnerability can occur when working with XMLHttpRequest XHR in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the IonMonkey just-in-time JIT compiler and when the constructor function is entered through on-stack replacement OSR. This allows for possible arbitrary...

Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...

Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6

Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This...

UBUNTU-CVE-2019-9792

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...

Vulnerability in web browsers Firefox and Firefox ESR, as well as the Thunderbird email program, related to buffer overflow in memory, allowing an attacker to execute arbitrary code.

The vulnerability of Firefox browsers, Firefox ESR, and the email processing program Thunderbird is related to buffer overflow in memory. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...

Vulnerability in Firefox web browsers, Firefox ESR, and Thunderbird email client, caused by an operation that goes beyond buffer boundaries in memory, allowing attackers to execute arbitrary code.

The vulnerability in web browsers Firefox, Firefox ESR, and the email client Thunderbird arises from an operation that goes beyond the buffer limits in memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code through a specially crafted web page...

DEBIAN-CVE-2018-12397

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This...

DEBIAN-CVE-2018-12389

Mozilla developers and community members reported memory safety bugs present in Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR 60.3...

Mozilla: Integer overflow when calculating buffer sizes for images

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird 60.4, Firefox ESR 60.4, and Firefox 64...

Mozilla: Buffer overflow in accelerated 2D canvas with Skia

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.4, Firefox ESR 60.4, an...

Mozilla Firefox and Firefox ESR Buffer Overflow Vulnerability (CNVD-2018-25869)

Mozilla Firefox and Firefox ESR are both browser products developed by the Mozilla Foundation in the U.S. Firefox is an open source web browser; Firefox ESR is an extended support version of Firefox. Mozilla Firefox versions prior to 64 and Firefox ESR versions prior to 60.4 have a Skia stock in...