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HP-UX stmkfont Alternate Typeface Library Buffer Overflow Vulnerability

A buffer overflow vulnerability has been reported in the stmkfont utility shipped with HP-UX systems. The problem occurs due to insufficient bounds checking on user-suplied data to the alternate typeface library command-line option.

A local attacker may be able to exploit this issue to execute arbitrary code with elevated privileges.

All Avaya PDS 9 and 11 platforms are vulnerable to this issue. Avaya PDS 12 platforms running on HP-UX 11.00 are vulnerable as well. PDS 12 versions running on HP-UX 11.11 are not vulnerable.