Ulf HÃ¤rnhammar reports:
There are buffer overflows when extracting, testing or listing specially prepared ACE archives. There are directory traversal bugs when extracting ACE archives. There are also buffer overflows when dealing with long (>17000 characters) command line arguments.
The vulnerabilities have been confirmed in version 1.2b. One of the buffer overflow vulnerabilities have also been reported in version 2.04, 2.2 and 2.5. Other versions may also be affected. Successful exploitation may allow execution of arbitrary code.