Mozilla developers reported memory safety and script safety bugs present in Firefox 73. Some of these bugs showed evidence of memory corruption or escalation of privilege and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 74.
Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria y seguridad de scripts presentes en Firefox versión 73. Algunos de estos bugs mostraron evidencia de corrupción de la memoria o escalada de privilegios y presumimos que con un esfuerzo suficiente algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 74.
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, spoof the URL or other browser chrome, obtain sensitive information, bypass Content Security Policy protections, or execute arbitrary code. Various other issues were also addressed.
