An issue was discovered in tnef before 1.4.13. Two OOB Writes have been identified in src/mapiattr.c:mapiattr_read(). These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6307)
An issue was discovered in tnef before 1.4.13. Several Integer Overflows, which can lead to Heap Overflows, have been identified in the functions that wrap memory allocation. (CVE-2017-6308)
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6309)
An issue was discovered in tnef before 1.4.13. Four type confusions have been identified in the fileaddmapi_attrs() function. These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6310)