Ubuntu Security Notice 2917-3 - USN-2917-1 fixed vulnerabilities in Firefox. This update caused several web compatibility regressions. This update fixes the problem. Various other issues were also addressed.
4f190a0b3a5329c140efe8e3eb4e0cb1f1beaabfa751c14f762b50fff0465e04
Ubuntu Security Notice 2917-2 - USN-2917-1 fixed vulnerabilities in Firefox. This update caused several regressions that could result in search engine settings being lost, the list of search providers appearing empty or the location bar breaking after typing an invalid URL. This update fixes the problem. Various other issues were also addressed.
f36da0e5e9db6c8e433d61406ed2aa35dd8f3f26d8a337c2a2daff062a748a1d
Ubuntu Security Notice 2917-1 - Francis Gabriel discovered a buffer overflow during ASN.1 decoding in NSS. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Bob Clary, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, Randell Jesup, Carsten Book, Gian-Carlo Pascutto, Tyson Smith, Andrea Marchesini, and Jukka Jylanki discovered multiple memory safety issues 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 via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.
2aa98d4e5a966cde53c7a62ef79cd2e79addf4acbe8fc47a0386bf5144c7ece3