Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3989-1 dnsmasq security update
Ubuntu USN Ubuntu USN USN-3430-1 Dnsmasq vulnerabilities
Ubuntu USN Ubuntu USN USN-3430-2 Dnsmasq vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T19:27:40.768Z

Reserved: 2017-09-15T00:00:00

Link: CVE-2017-14496

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-10-03T01:29:02.200

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-14496

cve-icon Redhat

Severity : Important

Publid Date: 2017-10-02T00:00:00Z

Links: CVE-2017-14496 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses