CVE-2016-0746

high-risk
Published 2016-02-15

Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.

Do I need to act?

!
14.0% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Debian Canonical F5 Apple Opensuse

References (22)

Mailing List http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
Vendor Advisory http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
Mailing List http://seclists.org/fulldisclosure/2021/Sep/36
Third Party Advisory http://www.debian.org/security/2016/dsa-3473
Third Party Advisory http://www.securitytracker.com/id/1034869
Third Party Advisory http://www.ubuntu.com/usn/USN-2892-1
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1425
Third Party Advisory https://bto.bluecoat.com/security-advisory/sa115
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1302588
Third Party Advisory https://security.gentoo.org/glsa/201606-06
Third Party Advisory https://support.apple.com/kb/HT212818
Mailing List http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
Vendor Advisory http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
Mailing List http://seclists.org/fulldisclosure/2021/Sep/36
Third Party Advisory http://www.debian.org/security/2016/dsa-3473
Third Party Advisory http://www.securitytracker.com/id/1034869
Third Party Advisory http://www.ubuntu.com/usn/USN-2892-1
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1425
Third Party Advisory https://bto.bluecoat.com/security-advisory/sa115
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1302588
and 2 more references
58
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 12/34 · Low
Exposure 14/34 · Moderate