Mandriva Linux Security Advisory 2012-081 - Security issues were identified and fixed in mozilla firefox. Mozilla developers identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Using the Address Sanitizer tool, security researcher Aki Helin from OUSPG found that IDBKeyRange of indexedDB remains in the XPConnect hashtable instead of being unlinked before being destroyed. Security research firm iDefense reported that researcher wushi of team509 discovered a memory corruption on Windows Vista and Windows 7 systems with hardware acceleration disabled or using incompatible video drivers. Various other issues have also been addressed.
b4728ca55ce3cfd40444a11b5acd5298ece8e9bf6c775569b96cc5d90bcd9a33Mandriva Linux Security Advisory 2012-066 - Security issues were identified and fixed in Mozilla Firefox and Thunderbird. Mozilla developers identified and fixed several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Using the Address Sanitizer tool, security researcher Aki Helin from OUSPG found that IDBKeyRange of indexedDB remains in the XPConnect hashtable instead of being unlinked before being destroyed. Using the Address Sanitizer tool, security researcher Atte Kettunen from OUSPG found a heap corruption in gfxImageSurface which allows for invalid frees and possible remote code execution. Anne van Kesteren of Opera Software found a multi-octet encoding issue where certain octets will destroy the following octets in the processing of some multibyte character sets. Various other issues were also addressed.
52c7580faddde89c8ddd93ee504f0bd91f907d7b0db98c6e88c400c8de82300cRed Hat Security Advisory 2012-0516-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. A flaw was found in Sanitiser for OpenType, used by Thunderbird to help prevent potential exploits in malformed OpenType fonts. Malicious content could cause Thunderbird to crash or, under certain conditions, possibly execute arbitrary code with the privileges of the user running Thunderbird. Malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird.
0bf5163662f42c2a166ea76e85e9a4cc7f993ff980df574262198b7071fcb1e2Red Hat Security Advisory 2012-0515-01 - Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. A flaw was found in Sanitiser for OpenType, used by Firefox to help prevent potential exploits in malformed OpenType fonts. A web page containing malicious content could cause Firefox to crash or, under certain conditions, possibly execute arbitrary code with the privileges of the user running Firefox. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
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