The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
---|---|
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html | vendor advisory |
http://www.securityfocus.com/bid/93052 | vdb entry |
https://security.gentoo.org/glsa/201701-15 | vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1288946 | issue tracking |
http://www.securitytracker.com/id/1036852 | vdb entry |