CVE-2016-6128 Denial of service in n/a

What is CVE-2016-6128?

CVE-2016-6128 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 7 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The gdImageCropThreshold function in gd_crop.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 7.0.9, allows remote attackers to cause a denial of service (application crash) via an invalid color index.

Weakness: CWE-20

Which versions are affected by CVE-2016-6128?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Libgd Libgd, Opensuse Leap.

How do I fix CVE-2016-6128?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-6128 being exploited?

There is no known exploitation of CVE-2016-6128 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2016-6128, DEBIAN-CVE-2016-6128, GHSA-x3xg-pxf8-v7j9, UBUNTU-CVE-2016-6128.