Vulnerability Description
Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.5.36 |
Related Weaknesses (CWE)
References
- http://github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62?w=
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.phpPatchRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3618
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.securityfocus.com/bid/91396
- https://bugs.php.net/bug.php?id=72402ExploitVendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c
- https://support.apple.com/HT207170
- http://github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62?w=
FAQ
What is CVE-2016-5768?
CVE-2016-5768 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attac...
How severe is CVE-2016-5768?
CVE-2016-5768 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-5768?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.