Mozilla Foundation Security Advisory 2015-20

Buffer overflow during CSS restyling

Announced
February 24, 2015
Reporter
Atte Kettunen
Impact
High
Products
Firefox, SeaMonkey
Fixed in
  • Firefox 36
  • SeaMonkey 2.33

Description

Security researcher Atte Kettunen used the Address Sanitizer tool to discover an out-of-bounds read during the application of restyling and reflowing changes of web content using CSS. This results in a potentially exploitable crash.

References