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CVE-2016-0747
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to…
Medium5.3EPSS 8.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 8.7% · top 4.9% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (11)
- openSUSE-SU-2016:0371 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bto.bluecoat.com/security-advisory/sa115 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201606-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 1034869 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [nginx] 20160126 nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2016:1425 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1302589 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3473 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2892-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://support.apple.com/kb/HT212818 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20210921 APPLE-SA-2021-09-20-4 Xcode 13 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .