CVE-2016-0742 Null dereference in n/a

What is CVE-2016-0742?

CVE-2016-0742 is a high-severity vulnerability in Apple Xcode, published on 15 Feb 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (invalid pointer dereference and worker process crash) via a crafted UDP DNS response.

Weakness: CWE-476

Which versions are affected by CVE-2016-0742?

It affects 6 products.

Products include Apple Xcode, Canonical Ubuntu Linux, Debian Debian Linux, F5 Nginx, Opensuse Leap, Redhat Software Collections.

How do I fix CVE-2016-0742?

Upgrade to a fixed version.

Is CVE-2016-0742 being exploited?

There is no known exploitation of CVE-2016-0742 in the wild and no public exploit code.

Other vulnerabilities in Apple Xcode

• CVE-2025-48384 Git Link Following Exploited High 8.1
• CVE-2014-9390 JGit Improper Input Validation vulnerability Critical 9.8
• CVE-2019-14379 Deserialization of untrusted data in FasterXML jackson-databind Critical 9.8
• CVE-2018-4164 An issue was discovered in certain Apple products. Critical 9.8
• CVE-2016-0746 Use after free in n/a Critical 9.8

All Apple Xcode vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2016-0742, DLA-404-1, GHSA-x98p-wfj9-8f25, UBUNTU-CVE-2016-0742.