Bug 81157 - Buffer overflow issue in libpng
Buffer overflow issue in libpng
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: libpng (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jonathan Blandford
: Security
Depends On:
  Show dependency treegraph
Reported: 2003-01-06 06:01 EST by Mark J. Cox
Modified: 2013-04-02 00:17 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2003-01-29 10:34:58 EST
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Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2003:007 high SHIPPED_LIVE Important: libpng security update 2003-01-06 00:00:00 EST

  None (edit)
Description Mark J. Cox 2003-01-06 06:01:59 EST
Unpatched versions of libpng 1.2.1 and earlier do not correctly calculate
offsets, which leads to a buffer overflow and the possibility of arbitrary
code execution.  This could be exploited by an attacker creating a
carefully crafted PNG file which could execute arbitrary code when the
victim views it.

Packages within Red Hat Linux, such as Mozilla, make use of the shared
libpng library. Therefore, all users are advised to upgrade to the errata

We're working on an erratum which will contain a backported fix for this issue
to libpng 1.0.14
Comment 1 Mark J. Cox 2003-01-29 10:34:58 EST
An errata has been issued which should help the problem described in this bug report. 
This report is therefore being closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, please follow the link below. You may reopen 
this bug report if the solution does not work for you.


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