What is CVE-2016-0742?

CVE-2016-0742 is a high-severity vulnerability in Apple Xcode, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2016-02-15.

How severe is CVE-2016-0742?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2016-0742 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Apple Xcode

CVE-2016-0742

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.

Published 2016-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.824 (99.7th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.820 · newest: 0.824 · change: +0.004

Affected products

Apple Xcode
F5 nginx
Canonical Ubuntu Linux — versions 14.04, 15.10
Debian Linux — versions 7.0, 8.0, 9.0
openSUSE Leap — versions 42.1
Red Hat Software Collections — versions 1.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

addisonburkett/cve_

References

lists.opensuse.org/opensuse-updates/2016-02/msg00042.html (vendor-advisory, Mailing List, Third Party Advisory)
bto.bluecoat.com/security-advisory/sa115 (Third Party Advisory)
security.gentoo.org/glsa/201606-06 (vendor-advisory, Third Party Advisory)
www.securitytracker.com/id/1034869 (VDB Entry, Third Party Advisory, vdb-entry)
mailman.nginx.org/pipermail/nginx/2016-January/049700.html (Vendor Advisory, mailing-list)
access.redhat.com/errata/RHSA-2016:1425 (vendor-advisory, Third Party Advisory)
www.debian.org/security/2016/dsa-3473 (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-2892-1 (vendor-advisory, Third Party Advisory)
support.apple.com/kb/HT212818 (Third Party Advisory)

Frequently asked questions

What is CVE-2016-0742?: CVE-2016-0742 is a high-severity vulnerability in Apple Xcode, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2016-02-15.
How severe is CVE-2016-0742?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-0742 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.