IBM AIX 6.1, 7.1, and 7.2 could allow a local user to gain root privileges using a specially crafted command within the bellmail client. IBM APARs: IV91006, IV91007, IV91008, IV91010, IV91011.
IBM AIX 5.3, 6.1, 7.1, and 7.2 contains an unspecified vulnerability that would allow a locally authenticated user to obtain root level privileges. IBM APARs: IV88658, IV87981, IV88419, IV87640, IV88053.