KLA11486
Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to bypass security restrictions, obtain sensitive information, cause denial of service, spoof user interface, perform cross-site scripting attack, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. A type confusion vulnerability can be exploited remotely to bypass security restrictions;
2. A cross-origin resource sharing vulnerability can be exploited remotely via a canvas to obtain sensitive information;
3. A use-after-free vulnerability in crash generation server can be exploited remotely to cause denial of service or bypass security restrictions;
4. A compartment mismatch vulnerability can be exploited to cause denial of service;
5. A use-after-free vulnerability in the chrome event handler can be exploited to cause denial of service;
6. A use-after-free vulnerability in AssertWorkerThread can be exploited to cause denial of service;
7. A use-after-free vulnerability in XMLHttpRequest can be exploited to cause denial of service;
8. A use-after-free vulnerability in the event listener manager can be exploited to cause denial of service;
9. A use-after-free vulnerability in the png_image_free function in the libpng library can be exploited to cause denial of service;
10. A memory leakage vulnerability in the Windows sandbox can be exploited to obtain sensitive information;
11. An unspecified vulnerability can be exploited remotely via specially crafted website to spoof user interface;
12. An unspecified vulnerability can be exploited remotely via drag and drop of hyperlinks to and from bookmarks to obtain sensitive information;
13. An unspecified vulnerability can be exploited to spoof user interface;
14. An unspecified vulnerability can be exploited to perform cross-site scripting attacks;
15. Multiple memory corruption vulnerabilities can be exploited to execute arbitrary code.

Mozilla Firefox earlier than 67

Update to the latest version

mfsa2019-13