CVE-2016-0746
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 8.86% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- f5/nginx · canonical/ubuntu linux · debian/debian linux · opensuse/leap · apple/xcode
- Source
- secalert@redhat.com
EPSS 8.9% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx/2016-January/049700.htmlVendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3473Third Party Advisory
- http://www.securitytracker.com/id/1034869Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2892-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1425Third Party Advisory
- https://bto.bluecoat.com/security-advisory/sa115Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1302588Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201606-06Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx/2016-January/049700.htmlVendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3473Third Party Advisory
- http://www.securitytracker.com/id/1034869Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2892-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1425Third Party Advisory
- https://bto.bluecoat.com/security-advisory/sa115Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1302588Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201606-06Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.