CVE-2016-4453 Denial of service in n/a

What is CVE-2016-4453?

CVE-2016-4453 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 1 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command.

Weakness: CWE-835

Which versions are affected by CVE-2016-4453?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu.

How do I fix CVE-2016-4453?

Apply the vendor's patch.

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-2016-4453 being exploited?

There is no known exploitation of CVE-2016-4453 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 DEBIAN-CVE-2016-4453, GHSA-923w-8gr7-5984, UBUNTU-CVE-2016-4453.