GD Graphics Library up to 2.1.0 gd_interpolation.c imagescale out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in GD Graphics Library up to 2.1.0 (Image Processing Software). It has been classified as critical. This affects the function imagescale of the file gd_interpolation.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.1.1, as used in PHP before 5.5.36, 5.6.x before 5.6.22, and 7.x before 7.0.7, allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted image that is mishandled by the imagescale function.

The weakness was presented 08/07/2016 (Website). The advisory is shared at This vulnerability is uniquely identified as CVE-2013-7456 since 05/26/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 91615 (Debian DSA-3602-1 : php5 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350271 (Amazon Linux Security Advisory for php55: ALAS-2016-707).

Upgrading to version 2.1.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91615).






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.6
VulDB Temp Score: 7.3
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NVD Base Score: 7.6
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Class: Out-of-bounds
CWE: CWE-125 / CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 91615
Nessus Name: Debian DSA-3602-1 : php5 - security update
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OpenVAS ID: 865775
OpenVAS Name: SuSE Update for php5 openSUSE-SU-2016:1553-1 (php5)
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Threat Intelligenceinfo

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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GD Graphics Library 2.1.1


05/25/2016 🔍
05/26/2016 +1 days 🔍
06/14/2016 +19 days 🔍
06/15/2016 +1 days 🔍
08/07/2016 +53 days 🔍
08/07/2016 +0 days 🔍
08/08/2016 +1 days 🔍
09/12/2022 +2226 days 🔍


Advisory: RHSA-2016:2750
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-7456 (🔍)

SecurityFocus: 90859 - PHP 'imagescale' Function Out of Bounds Read Denial of Service Vulnerability


Created: 08/08/2016 03:13 PM
Updated: 09/12/2022 02:09 PM
Changes: 08/08/2016 03:13 PM (67), 03/21/2019 05:12 PM (12), 09/12/2022 02:09 PM (5)
Complete: 🔍
Cache ID: 44:CA3:40


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