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Bug 1315339 - (CVE-2016-4344, CVE-2016-4345, CVE-2016-4346) CVE-2016-4344 CVE-2016-4345 CVE-2016-4346 php: Multiple heap overflows due to integer overflows
CVE-2016-4344 CVE-2016-4345 CVE-2016-4346 php: Multiple heap overflows due to...
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
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Assigned To: Red Hat Product Security
: Security
Depends On: 1315340
Blocks: 1315348
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Reported: 2016-03-07 08:50 EST by Adam Mariš
Modified: 2016-06-13 14:22 EDT (History)
13 users (show)

See Also:
Fixed In Version: php 7.0.4
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2016-06-13 14:22:27 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2016-03-07 08:50:24 EST
Multiple heap-based buffer overflow caused by integer overflows were found in xml_utf8_encode, zend_string_alloc and php_addcslashes functions.

Upstream bug:

Upstream patch:;a=commit;h=57b997ebf99e0eb9a073e0dafd2ab100bd4a112d
Comment 1 Adam Mariš 2016-03-07 08:51:11 EST
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1315340]
Comment 2 Andrej Nemec 2016-05-02 10:39:20 EDT
CVE assignments via:

CVE-2016-4344 is for the issue in:


CVE-2016-4345 is for the issue in:


CVE-2016-4346 is for the issue in:

Comment 3 Tomas Hoger 2016-06-13 14:22:27 EDT
PHP 7 only.  Additionally, these issue could only be triggered when PHP is configured to execute scripts with no or very high memory_limit.  That is not a typical configured, the default in PHP packages in Red Hat products is 128M.

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