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Category:   Application (Generic)  >   Ghostscript Vendors:   GNU [multiple authors]
Ghostscript Double Free Memory Error in tokenexec_continue() Lets Remote Users Cause the Target Application to Crash
SecurityTracker Alert ID:  1039233
SecurityTracker URL:  http://securitytracker.com/id/1039233
CVE Reference:   CVE-2017-11714   (Links to External Site)
Date:  Aug 28 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.21
Description:   A vulnerability was reported in Ghostscript. A remote user can cause the target application to crash.

A remote user can create a specially crafted PostScript document that, when processed by the target application, will trigger a double-free memory error in tokenexec_continue() in 'psi/ztoken.c' and cause the application to crash.

Kamil Frankowicz reported this vulnerability.

Impact:   A remote user can cause the target application to crash.
Solution:   The vendor has issued a source code fix, available at:

http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=671fd59eb

Vendor URL:  ghostscript.com/ (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 28 2017 (Ubuntu Issues Fix) Ghostscript Double Free Memory Error in tokenexec_continue() Lets Remote Users Cause the Target Application to Crash
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.04.



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