critical
9.8
Advisory Published
Updated

CVE-2016-4541

First published: Sun May 22 2016(Updated: )

Fixed bug (Out-of-bounds reads in zif_grapheme_stripos with negative offset). (CVE-2016-4540, CVE-2016-4541)

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

Affected SoftwareAffected VersionHow to fix
Fedoraproject Fedora=24
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
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-2016-4541?

    CVE-2016-4541 is a vulnerability in PHP versions before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 that allows remote attackers to cause a denial of service or possibly have other unspecified impacts through a negative offset in the grapheme_strpos function.

  • How severe is CVE-2016-4541?

    CVE-2016-4541 has a severity rating of 9.8 (critical).

  • How can CVE-2016-4541 be exploited?

    CVE-2016-4541 can be exploited by remote attackers using a negative offset in the grapheme_strpos function to cause a denial of service or potentially have other impacts.

  • Which versions of PHP are affected by CVE-2016-4541?

    Versions of PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 are affected by CVE-2016-4541.

  • Is there a fix for CVE-2016-4541?

    Yes, the vulnerability has been fixed in PHP version 7.0.6.

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