CVE-2016-2797
HighSummary
The graphite2::TtfUtil::CmapSubtable12Lookup function in Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
Risk Assessment
This vulnerability may lead to denial of service, disrupting application availability and affecting users. There is also a risk of unspecified impact on the system.
Recommendation
It is recommended to update Graphite 2 to version 1.3.6 or later and to update Mozilla Firefox to version 45.0 or later to mitigate the risk.
Other vulnerabilities in Graphite 2, Mozilla Firefox
See all- CVE-2016-2801High
The graphite2::TtfUtil::CmapSubtable12Lookup function in Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2800High
The graphite2::Slot::getAttr function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2799High
Heap-based buffer overflow in the graphite2::Slot::setAttr function in Graphite 2 before 1.3.6 allows remote attackers to exploit this vulnerability. This affects Mozilla Firefox before version 45.0 and Firefox ESR 38.x before version 38.7.
- CVE-2016-2798High
The graphite2::GlyphCache::Loader::Loader function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2796High
A heap-based buffer overflow exists in Graphite 2 before version 1.3.6, used in Mozilla Firefox before version 45.0 and Firefox ESR 38.x before version 38.7, in the function graphite2::vm::Machine::Code::Code. This allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2795High
The graphite2::FileFace::get_table_fn function in Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, does not initialize memory for an unspecified data structure. This allows remote attackers to cause a denial of service or possibly have unknown other impact via a crafted Graphite smart font.
- CVE-2016-2794High
The graphite2::TtfUtil::CmapSubtable12NextCodepoint function in Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2792High
The graphite2::Slot::getAttr function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2791High
The graphite2::GlyphCache::glyph function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font.
- CVE-2016-2790High
The graphite2::TtfUtil::GetTableInfo function in Graphite 2 before 1.3.6, used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, does not initialize memory for an unspecified data structure. This may allow remote attackers to cause a denial of service or possibly have unknown other impact via a crafted Graphite smart font.
Original NVD description (English source)
The graphite2::TtfUtil::CmapSubtable12Lookup function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font, a different vulnerability than CVE-2016-2801.