Ubuntu Security Notice 1251-1 - It was discovered that CVE-2011-3004, which addressed possible privilege escalation in addons, also affected Firefox 3.6. An attacker could potentially exploit Firefox when an add-on was installed that used loadSubscript in vulnerable ways. Yosuke Hasegawa discovered that the Mozilla browser engine mishandled invalid sequences in the Shift-JIS encoding. A malicious website could possibly use this flaw this to steal data or inject malicious scripts into web content. Various other issues were also addressed.
904393052c763c857c28523ce148e5d5f06843e53f3ab205080487b696333173Ubuntu Security Notice 1222-2 - USN-1222-1 fixed vulnerabilities in Firefox. This update provides updated packages for use with Firefox 7. Firefox could be made to crash or possibly run programs as your login if it opened a malicious website. Benjamin Smedberg, Bob Clary, Jesse Ruderman, Bob Clary, Andrew McCreight, Andreas Gal, Gary Kwong, Igor Bukanov, Jason Orendorff, Jesse Ruderman, and Marcia Knous discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Firefox. Boris Zbarsky discovered that a frame named "location" could shadow the window.location object unless a script in a page grabbed a reference to the true object before the frame was created. This is in violation of the Same Origin Policy. A malicious website could possibly use this to access another website or the local file system. Various other issues were also addressed.
75a889f925846faaadd677cbb2c20dcd1e773bbcb1f56b408c02f338adcac064Mandriva Linux Security Advisory 2011-141 - Security issues were identified and fixed in Mozilla Firefox and Thunderbird. Mozilla Firefox before 3.6.23 and 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 do not prevent the starting of a download in response to the holding of the Enter key, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site. Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.23 and 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 allow remote attackers to cause a denial of service or possibly execute arbitrary code via unknown vectors. Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 6, Thunderbird before 7.0, and SeaMonkey before 2.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. Various other issues were also addressed.
7bf97e08ab69bef6b19a6eb40d748b107651d29053a77ed5c525ad4f8d04ea88Ubuntu Security Notice 1222-1 - Firefox could be made to crash or possibly run programs as your login if it opened a malicious website. Benjamin Smedberg, Bob Clary, Jesse Ruderman, Bob Clary, Andrew McCreight, Andreas Gal, Gary Kwong, Igor Bukanov, Jason Orendorff, Jesse Ruderman, and Marcia Knous discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Firefox. Boris Zbarsky discovered that a frame named "location" could shadow the window.location object unless a script in a page grabbed a reference to the true object before the frame was created. This is in violation of the Same Origin Policy. A malicious website could possibly use this to access another website or the local file system. Various other issues were also addressed.
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