critical
9.8
CWE
119
Advisory Published
Updated

CVE-2016-4542: Buffer Overflow

First published: Sun May 22 2016(Updated: )

Fixed bug (Out of bounds heap read access in exif header processing). (CVE-2016-4542, CVE-2016-4543, CVE-2016-4544)

Credit: security@debian.org security@debian.org

Affected SoftwareAffected VersionHow to fix
PHP PHP<=5.5.34
PHP PHP=5.6.0
PHP PHP=5.6.1
PHP PHP=5.6.2
PHP PHP=5.6.3
PHP PHP=5.6.4
PHP PHP=5.6.5
PHP PHP=5.6.6
PHP PHP=5.6.7
PHP PHP=5.6.8
PHP PHP=5.6.9
PHP PHP=5.6.10
PHP PHP=5.6.11
PHP PHP=5.6.12
PHP PHP=5.6.13
PHP PHP=5.6.14
PHP PHP=5.6.15
PHP PHP=5.6.16
PHP PHP=5.6.17
PHP PHP=5.6.18
PHP PHP=5.6.19
PHP PHP=5.6.20
PHP PHP=7.0.0
PHP PHP=7.0.1
PHP PHP=7.0.2
PHP PHP=7.0.3
PHP PHP=7.0.4
PHP PHP=7.0.5
openSUSE Leap=42.1
Fedoraproject Fedora=24
PHP PHP<7.0.6
7.0.6
debian/php5
debian/php7.0

Remedy

http://php.net/ChangeLog-5.php

Remedy

http://php.net/ChangeLog-7.php

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Reference Links

Frequently Asked Questions

  • What is CVE-2016-4542?

    CVE-2016-4542 is a vulnerability in PHP before version 7.0.6 that allows remote attackers to cause a denial of service or possibly have other unspecified impact via crafted exif headers.

  • How severe is CVE-2016-4542?

    CVE-2016-4542 has a severity score of 9.8, which is considered critical.

  • Which versions of PHP are affected by CVE-2016-4542?

    PHP versions before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 are affected by CVE-2016-4542.

  • How can I fix CVE-2016-4542?

    To fix CVE-2016-4542, you should upgrade PHP to version 7.0.6 or apply the appropriate patch provided by the PHP project.

  • Where can I find more information about CVE-2016-4542?

    You can find more information about CVE-2016-4542 in the PHP ChangeLog and the OSS Security mailing list.

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