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Ghostscript Heap Corruption in TrueType bytecode interpreter

Vulnerability Note VU#644319

Original Release Date: 2010-08-24 | Last Revised: 2010-12-06


The TrueType bytecode interpreter which is a part of Ghostscript is prone to heap corruption.


Ghostscript includes a TrueType bytecode interpreter which is prone to an off by one bug which causes heap corruption. Further details can be found in the Ghostscript Bug #691044, Ghostscript r10602 commit statement and Toucan System's TSSA-2010-01 advisory.


An attacker may use a specially crafted document with a malformed TrueType font to cause a denial of service condition or execute arbitrary code.


Upgrade to Ghostscript 8.71 or newer.

Vendor Information

Affected   Unknown   Unaffected

Artifex Software, Inc.

Notified:  August 03, 2010 Updated:  August 24, 2010



Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.


The reporter initially contacted the vendor 10-26-2009.

Vendor fixed the vulnerability on 01-11-2010 without mentioning security implications.
The reporter contacted CERT 07-20-2010.
CERT contacted the vendor 08-03-2010.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A



Thanks to Jonathan Brossard for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

CVE IDs: CVE-2009-3743
Severity Metric: 0.45
Date Public: 2010-08-24
Date First Published: 2010-08-24
Date Last Updated: 2010-12-06 15:32 UTC
Document Revision: 34

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