CVE-2014-7815 Denial of service in n/a

What is CVE-2014-7815?

CVE-2014-7815 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 14 Nov 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.

Weakness: CWE-20

Which versions are affected by CVE-2014-7815?

It affects 11 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 5 more.

How do I fix CVE-2014-7815?

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-2014-7815 being exploited?

There is no known exploitation of CVE-2014-7815 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-2014-7815, GHSA-5gvx-32vr-xx6v, UBUNTU-CVE-2014-7815.