Bug 1070985 - (CVE-2014-0333) CVE-2014-0333 libpng: denial of service via png_push_read_chunk()
CVE-2014-0333 libpng: denial of service via png_push_read_chunk()
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Security
Depends On: 1070987 1070988
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Reported: 2014-02-27 16:17 EST by Vincent Danen
Modified: 2015-09-05 15:03 EDT (History)
1 user (show)

See Also:
Fixed In Version: libpng 1.6.10
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2015-09-05 15:03:51 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Vincent Danen 2014-02-27 16:17:15 EST
Common Vulnerabilities and Exposures assigned an identifier CVE-2014-0333 to
the following vulnerability:

Name: CVE-2014-0333
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0333
Assigned: 20131205
Reference: CONFIRM:ftp://ftp.simplesystems.org/pub/png/src/libpng16/patch-libpng16-vu684412.diff
Reference: https://sourceforge.net/projects/libpng/files/libpng16/patch-libpng16-vu684412.diff
Reference: CERT-VN:VU#684412
Reference: http://www.kb.cert.org/vuls/id/684412

The png_push_read_chunk function in pngpread.c in the progressive
decoder in libpng 1.6.x through 1.6.9 allows remote attackers to cause
a denial of service (infinite loop and CPU consumption) via an IDAT
chunk with a length of zero.

The upstream commit is here:


Note that this only affects libpng 1.6.0 through 1.6.9.
Comment 1 Vincent Danen 2014-02-27 16:23:08 EST

Not vulnerable. This issue did not affect the versions of libpng as shipped with Red Hat Enterprise Linux 5 or 6.
Comment 2 Vincent Danen 2014-02-27 16:23:46 EST
Created libpng tracking bugs for this issue:

Affects: fedora-20 [bug 1070987]
Comment 3 Vincent Danen 2014-02-27 16:23:49 EST
Created mingw-libpng tracking bugs for this issue:

Affects: fedora-20 [bug 1070988]
Comment 4 Fedora Update System 2014-04-02 05:27:03 EDT
mingw-libpng-1.6.10-1.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

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