Debian Linux Security Advisory 2918-1 - Multiple security issues have been found in Iceweasel, Debian's version buffer overflows, missing permission checks, out of bound reads, use-after-frees and other implementation errors may lead to the execution of arbitrary code, privilege escalation, cross-site scripting or denial of service.
1f3b8414c42d1cd48ad738b19809a10a98093c643d3bcd3b281fa29856a7204e