The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-225-1 dnsmasq security update
Debian DSA Debian DSA DSA-3251-1 dnsmasq security update
EUVD EUVD EUVD-2015-3341 The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Ubuntu USN Ubuntu USN USN-2593-1 Dnsmasq vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00196}

epss

{'score': 0.00184}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T05:39:32.054Z

Reserved: 2015-04-10T00:00:00

Link: CVE-2015-3294

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-05-08T14:59:05.527

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-3294

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-04-23T00:00:00Z

Links: CVE-2015-3294 - Bugzilla

cve-icon OpenCVE Enrichment

No data.