Bug 1397734 (CVE-2016-9448) - CVE-2016-9448 libtiff: Null pointer dereference in TIFFFetchNormalTag() (regression of CVE-2016-9297)
Summary: CVE-2016-9448 libtiff: Null pointer dereference in TIFFFetchNormalTag() (regr...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2016-9448
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1397781 1397782 1397783
Blocks: 1397777
TreeView+ depends on / blocked
 
Reported: 2016-11-23 09:44 UTC by Adam Mariš
Modified: 2019-09-29 14:00 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2017-01-16 06:38:15 UTC
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Description Adam Mariš 2016-11-23 09:44:01 UTC 
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 10:56:50 UTC 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397781]
Comment 2 Adam Mariš 2016-11-23 10:56:56 UTC 
Created mingw-libtiff tracking bugs for this issue:

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