Design/Logic Flaw

Opera before 9.51 does not properly manage memory within functions supporting the CANVAS element, which allows remote attackers to read uninitialized memory contents by using JavaScript to read a canvas image...

Mozilla information disclosure flaw

modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 does not properly perform certain calculations related to the mColors table, which allows remote attackers to read portions of memory uninitialized via a craft...

USN-546-2: Firefox regression

USN-546-1 fixed vulnerabilities in Firefox. The upstream update included a faulty patch which caused the drawImage method of the canvas element to fail. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Firefox incorrectly...