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Bug 1409617 - (CVE-2016-10087) CVE-2016-10087 libpng: NULL pointer dereference in png_set_text_2()
CVE-2016-10087 libpng: NULL pointer dereference in png_set_text_2()
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=20161229,reported=2...
: Security
Depends On: 1409625 1409619 1409620 1409621 1409622 1409623 1409624
Blocks:
  Show dependency tree / graph
 
Reported: 2017-01-02 11:05 EST by Andrej Nemec
Modified: 2017-07-10 05:11 EDT (History)
26 users (show)

See Also:
Fixed In Version: libpng 1.6.27, libpng 1.5.28, libpng 1.4.20, libpng 1.2.57, libpng 1.0.67
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Environment:
Last Closed: 2017-07-10 05:06:31 EDT
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CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2017-01-02 11:05:19 EST 
A null pointer dereference vulnerability was found in libpng, affecting all versions since 0.71. To be vulnerable, an application has to load a text chunk into the png structure, then delete all text, then add another text chunk to the same png structure.

References:

http://seclists.org/oss-sec/2016/q4/777
http://www.libpng.org/pub/png/libpng.html
Comment 1 Andrej Nemec 2017-01-02 11:09:30 EST 
Created libpng tracking bugs for this issue:

Affects: fedora-all [bug 1409619]
Comment 2 Andrej Nemec 2017-01-02 11:09:50 EST 
Created libpng10 tracking bugs for this issue:

Affects: fedora-all [bug 1409620]
Affects: epel-6 [bug 1409624]
Comment 3 Andrej Nemec 2017-01-02 11:10:02 EST 
Created libpng12 tracking bugs for this issue:

Affects: fedora-all [bug 1409621]
Comment 4 Andrej Nemec 2017-01-02 11:10:18 EST 
Created libpng15 tracking bugs for this issue:

Affects: fedora-all [bug 1409622]
Comment 5 Andrej Nemec 2017-01-02 11:10:34 EST 
Created mingw-libpng tracking bugs for this issue:

Affects: fedora-all [bug 1409623]
Affects: epel-7 [bug 1409625]
Comment 6 Robert Buchholz 2017-01-04 04:12:02 EST 
(In reply to Andrej Nemec from comment #1)
> Created libpng tracking bugs for this issue:
> 
> Affects: fedora-all [bug 1409619]

It seems this issue is missing a bug for libpng in RHEL 5/6/7 for the "libpng" package. Currently it is only tracked for "libpng10" in EPEL6/7.
Comment 7 Andrej Nemec 2017-01-04 04:25:04 EST 
(In reply to Robert Buchholz from comment #6)
> (In reply to Andrej Nemec from comment #1)
> > Created libpng tracking bugs for this issue:
> > 
> > Affects: fedora-all [bug 1409619]
> 
> It seems this issue is missing a bug for libpng in RHEL 5/6/7 for the
> "libpng" package. Currently it is only tracked for "libpng10" in EPEL6/7.

Hello Robert, this was triaged and classified as a low impact vulnerability and we will not be fixing it in RHEL systems. You may consult the page below for more information:

https://access.redhat.com/security/updates/classification
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