Is CVE-2015-3294 in the CISA KEV catalog?

No. CVE-2015-3294 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3294?

CVE-2015-3294 has a CVSS v2 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2015-3294?

CVE-2015-3294 has an EPSS score of 4.46% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3294?

Upgrade dnsmasq on debian 11 to 2.72-3.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-3294

MEDIUMEPSS 90th pctl

6.4

CVSS v2

NVD

Description

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.

CWE-19

How to fix

Remediation Available

dnsmasqDebian

Fixed in:2.72-3.1CVE-2015-3294

dnsmasqUbuntu

Fixed in:2.68-1ubuntu0.1USN-2593-1

dnsmasq-baseUbuntu

Fixed in:2.68-1ubuntu0.1USN-2593-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.46%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Exploit1

lists.thekelleys.org.uk

Vendor Advisory2

Third-Party Advisory2

Other references6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.