CVE-2016-4450 Null dereference in n/a

What is CVE-2016-4450?

CVE-2016-4450 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 7 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.

Weakness: CWE-476

Which versions are affected by CVE-2016-4450?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, F5 Nginx.

How do I fix CVE-2016-4450?

Upgrade to a fixed version.

Is CVE-2016-4450 being exploited?

There is no known exploitation of CVE-2016-4450 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-2016-4450, DSA-3592-1, GHSA-qw3j-mxg7-jx9v, MGASA-2016-0216, UBUNTU-CVE-2016-4450, USN-2991-1 and 2 more.