Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes. Note: This issue only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 51.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1293709 | issue tracking vendor advisory |
| http://www.securitytracker.com/id/1037693 | vdb entry third party advisory |
| https://www.mozilla.org/security/advisories/mfsa2017-01/ | vendor advisory |
| http://www.securityfocus.com/bid/95763 | vdb entry third party advisory |