CVE-2016-0747
MEDIUM
5.3
CVSS Score
Published: February 15, 2016 at 07:00 PM UTC
Updated: June 17, 2026 at 12:38 AM UTC
5 products affected across 5 vendorsDebian LinuxUbuntu LinuxLeap
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Severity
MEDIUM5.3
Exploit prediction
EPSS 9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.0
Affected range stops below 13.0, so it looks safe — our inference, not a vendor statement
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%0.6.18 ≤ v < 1.8.11.9.0 ≤ v < 1.9.10
Affected range stops below 1.8.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.10, so it looks safe — our inference, not a vendor statement
Leap· openSUSEdrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (11)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.htmlMailing Listx_refsource_MLISTVendor Advisory
Source: [email protected]
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.htmlMailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Sep/36Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2016/dsa-3473VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1034869Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-2892-1Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2016:1425x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://bto.bluecoat.com/security-advisory/sa115CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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