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CVE-2015-8877

7.5 · HIGH

The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allow…

Published May 22, 2016CWE-399EPSS 3.65%

Overview

CVE-2015-8877 is a high-severity vulnerability. It was published on May 22, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in PHP before 5.6.12, uses inconsistent allocate and free approaches, which allows remote attackers to cause a denial of service (memory consumption) via a crafted call, as demonstrated by a call to the PHP imagescale function.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refrhn.redhat.com/errata/RHSA-2016-2750.htmlRefwww.debian.org/security/2016/dsa-3587Refwww.php.net/ChangeLog-5.phpRefwww.ubuntu.com/usn/USN-2987-1Refbugs.php.net/bug.php?id=70064GitHubgithub.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24GitHubgithub.com/libgd/libgd/issues/173Refrhn.redhat.com/errata/RHSA-2016-2750.htmlRefwww.debian.org/security/2016/dsa-3587Refwww.php.net/ChangeLog-5.php

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8877?

CVE-2015-8877 is a high-severity vulnerability. It was published on May 22, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2015-8877?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8877?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8877?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8877 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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