Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a…
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.
Why it matters now
EPSS 0.02503 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* | up to 2.75 | Vulnerable | Thekelleys |
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* Versions up to 2.75 Vulnerable ·Thekelleys
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 8 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8899
- 2026-10-03 Alias added: GHSA-f299-rcx3-c9vw
References
Advisory 1
Other 5
- [Dnsmasq-discuss] 20160418 Dnsmasq 2.75 on Ubuntu 16.04 crashes reproducibly
- [Dnsmasq-discuss] 20160503 Dnsmasq 2.75 on Ubuntu 16.04 crashes reproducibly
- [oss-security] 20160603 Re: CVE Request: Dnsmasq denial of service
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87
- [oss-security] 20160603 CVE Request: Dnsmasq denial of service
Sources
- CVE-2015-8899 · CVE Program
- CVE-2015-8899 · NVD
- FIRST EPSS
- GHSA-f299-rcx3-c9vw · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8899 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences