CVE-2017-7777

La librería Graphite2, en versiones de Firefox anteriores a la 54, es vulnerable a un uso de memoria no inicializada en la función graphite2::GlyphCache::Loader::read_glyph.

The use of uninitialized memory related to "graphite2::GlyphCache::Loader::read_glyph" has been reported in graphite2. An attacker could possibly exploit this flaw to negatively impact the execution of an application using graphite2 in unknown ways.

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, read uninitialized memory, obtain sensitive information, spoof the addressbar contents, or execute arbitrary code. Multiple security issues were discovered in the Graphite 2 library used by Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, read uninitialized memory, or execute arbitrary code. Various other issues were also addressed.