Vulnerability Description
The imagetruecolortopalette function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate the number of colors, which allows remote attackers to cause a denial of service (select_colors allocation error and out-of-bounds write) or possibly have unspecified other impact via a large value in the third argument.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 7.0.0 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2016/09/02/9Mailing List
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.php.net/ChangeLog-5.phpRelease Notes
- http://www.php.net/ChangeLog-7.phpRelease Notes
- http://www.securityfocus.com/bid/92755Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036680Third Party AdvisoryVDB Entry
- https://bugs.php.net/bug.php?id=72697ExploitIssue Tracking
- https://github.com/php/php-src/commit/28022c9b1fd937436ab67bb3d61f652c108baf96PatchVendor Advisory
- https://github.com/php/php-src/commit/b6f13a5ef9d6280cf984826a5de012a32c396cd4?wIssue TrackingPatch
- https://security.gentoo.org/glsa/201611-22Third Party Advisory
- https://www.tenable.com/security/tns-2016-19Third Party Advisory
- http://openwall.com/lists/oss-security/2016/09/02/9Mailing List
- http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
- http://www.php.net/ChangeLog-5.phpRelease Notes
- http://www.php.net/ChangeLog-7.phpRelease Notes
FAQ
What is CVE-2016-7126?
CVE-2016-7126 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The imagetruecolortopalette function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate the number of colors, which allows remote attackers to cause a denial of servi...
How severe is CVE-2016-7126?
CVE-2016-7126 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-2016-7126?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.