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Category:   Application (Generic)  >   libpng Vendors:
libpng Read Error in png_set_sPLT() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017244
SecurityTracker URL:
CVE Reference:   CVE-2006-5793   (Links to External Site)
Date:  Nov 17 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.6 through 1.2.12
Description:   A vulnerability was reported in libpng. A remote user can cause denial of service conditions.

A remote user can create a PNG image with specially crafted sPLT chunks that, when processed by the target user, will trigger an error in the png_set_sPLT() function and cause the application using libpng to crash.

The vulnerability resides in 'pngset.c'.

Tavis Ormandy reported this vulnerability.

Impact:   A remote user can create a PNG image that, when loaded by the target user, will cause the target application to crash.
Solution:   The vendor has issued fixed versions (1.0.21, 1.2.13, and 1.4.0beta14).

The libpng advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 18 2007 (Red Hat Issues Fix) libpng Read Error in png_set_sPLT() Lets Remote Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 2.1, 3, 4, and 5.

 Source Message Contents

[Original Message Not Available for Viewing]

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