CVE-2014-0239
The internal DNS server in Samba 4.x before 4.0.18 does not check the QR field in the header section of an incoming DNS message before…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The internal DNS server in Samba 4.x before 4.0.18 does not check the QR field in the header section of an incoming DNS message before sending a response, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged response packet that triggers a communication loop, a related issue to CVE-1999-0103.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 66.8% · top 0.7% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (5)
- http://www.samba.org/samba/security/CVE-2014-0239 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201502-15 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 67691 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 59579 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1030309 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-0239)Record last updated .