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Date: Sat, 10 Jan 2015 15:14:48 -0500 (EST)
From: cve-assign@...re.org
To: endeavor <endeavor@...nbowsandpwnies.com>
cc: oss-security@...ts.openwall.com, cve-assign@...re.org
Subject: Re: CVE Request: libpng 1.6.15 Heap Overflow
On Fri, 9 Jan 2015, endeavor wrote:
> I thought it might be helpful to add some additional clarity to this bug.
> There were two bugs patched in the latest updates to libpng. The first bug is
> an overflow in png_read_IDAT_data, and is triggerable due to checks on image
> width that were removed a while ago in libpng branches 1.6.x and 1.5.x. This
> is the bug against which the following write up applies:
> http://tfpwn.com/files/libpng_heap_overflow_1.6.15.txt .
> While fixing this bug, John Bowler found a second, unrelated overflow in
> png_combine_row. His mailing list post on that bug is found here:
> http://sourceforge.net/p/png-mng/mailman/message/33172831/ . It looks like
> CVE-2014-9495 was assigned against this bug, but attributed to me by
> accident.
Thank you for clarifying.
CVE-2014-9495 remains associated with the png_combine_row() issue found by
John Bowler. We will update its description and references if needed.
Use CVE-2015-0973 for the png_read_IDAT_data/png_handle_IHDR issue.
---
CVE assignment team, MITRE CVE Numbering Authority M/S M300
202 Burlington Road, Bedford, MA 01730 USA
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