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Bug 1326255 - (CVE-2016-3633) CVE-2016-3633 libtiff: out-of-bounds read in the _setrow function
CVE-2016-3633 libtiff: out-of-bounds read in the _setrow function
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=20160411,reported=2...
: Security
Depends On:
Blocks: 1316881
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Reported: 2016-04-12 05:19 EDT by Andrej Nemec
Modified: 2017-05-12 02:28 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2017-05-12 02:28:10 EDT
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Description Andrej Nemec 2016-04-12 05:19:42 EDT 
A vulnerability was found in the libtiff library. Using a thumbnail command on a maliciously crafted image could cause the application to crash.

Vulnerable code:

/libtiff/tools/thumbnail.c:525
523  for (y = 0; y < nrows; y++) {
524      const uint8* src = rows[y] + off;
525      acc += bits[*src++ & mask0];

References:

http://www.openwall.com/lists/oss-security/2016/04/08/11
Comment 2 Stefan Cornelius 2017-05-12 02:28:17 EDT 
Statement:

This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5, 6 and 7. This issue did not affect the versions of compat-libtiff3 as shipped with Red Hat Enterprise Linux 7.
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