CVE-2025-12199: dnsmasq Config File network.c check_servers null pointer dereference

Published Oct 27, 2025
·
Updated

Rejected reason: REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: Based on the analysis by MITRE and review of community feedback, the reported conditions represent expected and intentional behavior within dnsmasq's documented design, rather than security vulnerabilities.

Affected Software

1 affected component
Dnsmasq Dnsmasq<2.73rc6

Event History

Oct 27, 2025
CVE Published
via MITRE·01:02 AM
Rejected
via MITRE·01:02 AM
Data Sourced
via NVD·01:15 AM
Description
Nov 3, 2025
Rejected
via MITRE·10:47 PM
Rejected
via NVD·11:17 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-12199?

CVE-2025-12199 has a medium severity due to the potential for local denial of service through null pointer dereference.

2

How do I fix CVE-2025-12199?

To fix CVE-2025-12199, upgrade dnsmasq to version 2.73rc7 or later.

3

What systems are affected by CVE-2025-12199?

CVE-2025-12199 affects dnsmasq versions up to 2.73rc6.

4

Is CVE-2025-12199 exploitable remotely?

No, CVE-2025-12199 requires local access to exploit the vulnerability.

5

What component of dnsmasq does CVE-2025-12199 affect?

CVE-2025-12199 specifically affects the check_servers function in the Config File Handler component.

Contact

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