A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including…
Priority LOW 38CWE-358Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
Why it matters now
EPSS 0.02646 85th 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 |
|---|---|---|---|---|---|
| Simon Kelley | dnsmasq | up to and including 2.78 | — | No fix listed | CNA |
- dnsmasq VendorSimon Kelley Affected up to and including 2.78 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* | up to 2.78 | Vulnerable | Thekelleys |
- cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* Versions up to 2.78 Vulnerable ·Thekelleys
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 10 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 10 (Newton)
- Red Hat OpenStack Platform 11 (Ocata)
- Red Hat OpenStack Platform 12 (Pike)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
Timeline
- 2026-10-02 Threatist record created from CVE-2017-15107
- 2026-10-03 Alias added: GHSA-f999-2m22-345j
References
More Thekelleys Dnsmasq vulnerabilities
- TI-2017-10595 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.0CRITICAL 9.8
- TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
- TI-2017-10596 Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.0CRITICAL 9.8
- TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
- TI-2021-20958 Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from… CVSS 3.1CRITICAL 9.8
- TI-2020-15697 Heap-based buffer overflow in dnsmasq CVSS 3.1HIGH 8.1
Sources
- CVE-2017-15107 · CVE Program
- CVE-2017-15107 · NVD
- FIRST EPSS
- GHSA-f999-2m22-345j · GitHub Advisory Database · CC BY 4.0
- CVE-2017-15107 · Red Hat security data · CC BY 4.0
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