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CVE-2016-7127 Details

Description

The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by providing different signs for the second and third arguments.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://openwall.com/lists/oss-security/2016/09/02/9	CVE	Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html	CVE
https://bugs.php.net/bug.php?id=72730	CVE	ExploitIssue Tracking
https://github.com/php/php-src/commit/1bd103df00f49cf4d4ade2cfe3f456ac058a4eae?w=1	CVE	Issue TrackingPatch
https://security.gentoo.org/glsa/201611-22	CVE
https://www.tenable.com/security/tns-2016-19	CVE
http://www.php.net/ChangeLog-5.php	CVE	Release Notes
http://www.php.net/ChangeLog-7.php	CVE	Release Notes
http://www.securityfocus.com/bid/92757	CVE
http://www.securitytracker.com/id/1036680	CVE
http://openwall.com/lists/oss-security/2016/09/02/9	[email protected]	Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html	[email protected]
https://bugs.php.net/bug.php?id=72730	[email protected]	ExploitIssue Tracking
https://github.com/php/php-src/commit/1bd103df00f49cf4d4ade2cfe3f456ac058a4eae?w=1	[email protected]	Issue TrackingPatch
https://security.gentoo.org/glsa/201611-22	[email protected]
https://www.tenable.com/security/tns-2016-19	[email protected]
http://www.php.net/ChangeLog-5.php	[email protected]	Release Notes
http://www.php.net/ChangeLog-7.php	[email protected]	Release Notes
http://www.securityfocus.com/bid/92757	[email protected]
http://www.securitytracker.com/id/1036680	[email protected]

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
php php	<= 5.6.24 7.0.0 7.0.1 7.0.2 7.0.3
CPE cpe:2.3:a:php:php:::::::: cpe:2.3:a:php:php:7.0.0:::::::* cpe:2.3:a:php:php:7.0.1:::::::* cpe:2.3:a:php:php:7.0.2:::::::* cpe:2.3:a:php:php:7.0.3:::::::* cpe:2.3:a:php:php:7.0.4:::::::* cpe:2.3:a:php:php:7.0.5:::::::* cpe:2.3:a:php:php:7.0.6:::::::* cpe:2.3:a:php:php:7.0.7:::::::* cpe:2.3:a:php:php:7.0.8:::::::* cpe:2.3:a:php:php:7.0.9:::::::* Remediation No remediation found in references.

Product

Versions

php php

<= 5.6.24

7.0.0

7.0.1

7.0.2

7.0.3

CPE

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

11 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Nov 3, 2017	CVE Modified	[email protected]
Aug 16, 2017	CVE Modified	[email protected]
Jul 1, 2017	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Sep 12, 2016	Modified Analysis	[email protected]
Sep 12, 2016	Initial Analysis	[email protected]