Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might allow context-dependent attackers to execute arbitrary code via a "very wide interlaced" PNG image.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
| Link | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2015/01/04/3 | mailing list |
| http://www.securityfocus.com/bid/71820 | vdb entry |
| http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html | vendor advisory |
| https://support.apple.com/HT206167 | vendor advisory |
| http://sourceforge.net/p/png-mng/mailman/message/33173461/ | mailing list |
| http://www.openwall.com/lists/oss-security/2015/01/10/1 | mailing list |
| http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html | |
| http://www.openwall.com/lists/oss-security/2015/01/10/3 | mailing list |
| http://sourceforge.net/p/png-mng/mailman/message/33172831/ | mailing list |
| http://www.securitytracker.com/id/1031444 | vdb entry |
| http://secunia.com/advisories/62725 | third party advisory |