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Bug 1397734 - (CVE-2016-9448) CVE-2016-9448 libtiff: Null pointer dereference in TIFFFetchNormalTag() (regression of CVE-2016-9297)
CVE-2016-9448 libtiff: Null pointer dereference in TIFFFetchNormalTag() (regr...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20161116,reported=2...
: Security
Depends On: 1397783 1397781 1397782
Blocks: 1397777
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Reported: 2016-11-23 04:44 EST by Adam Mariš
Modified: 2017-01-16 01:38 EST (History)
3 users (show)

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Last Closed: 2017-01-16 01:38:15 EST
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Description Adam Mariš 2016-11-23 04:44:01 EST 
A null pointer dereference vulnerability in TIFFFetchNormalTag() occurs when values of tags with TIFF_SETGET_C16_ASCII / TIFF_SETGET_C32_ASCII access are 0-byte arrays.

Fix for CVE-2016-9297 introduced this issue.

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2593

CVE assignment:

http://seclists.org/oss-sec/2016/q4/464
Comment 1 Adam Mariš 2016-11-23 05:56:50 EST 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397781]
Comment 2 Adam Mariš 2016-11-23 05:56:56 EST 
Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397782]
Affects: epel-7 [bug 1397783]
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