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CVE-2015-3294

20
FAUCET Score

CVE-2015-3294 is an out-of-bounds read vulnerability in Dnsmasq versions prior to 2.73rc4, affecting products like Oracle Dnsmasq and Solaris. A remote attacker can exploit this flaw by sending a specially crafted DNS request, leading to the disclosure of process memory and a denial of service due to a system crash. With a CVSS score of 6.4, it is considered a medium-severity vulnerability, requiring no authentication or complex attack conditions. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.73CPE matchmatch criteria
cpe:2.3:a:thekelleys:dnsmasq:*:rc3:*:*:*:*:*:*
11.2CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.46%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0446 is in the 87th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (8)

debianvendor investigatingvia nvd_reference
View patch
ubuntuvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dnsmasq
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dnsmasq
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dnsmasq
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: dnsmasq
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: dnsmasq
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 4Fixed in: dnsmasq

Vendor Advisories (1)

redhatCVE-2015-3294Moderate

dnsmasq: unchecked return value of the setup_reply() function

Apr 23, 2015

References

lists.opensuse.org / opensuse-updates/2015-05/msg00013.html
lists.thekelleys.org.uk / pipermail/dnsmasq-discuss/2015q2/009382.html
Exploit
lists.thekelleys.org.uk / pipermail/dnsmasq-discuss/2015q2/009387.html
Third Party Advisory
security.gentoo.org / glsa/201512-01
thekelleys.org.uk / gitweb
debian.org / security/2015/dsa-3251
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinjul2015-2511963.html
Third Party Advisory
securityfocus.com / archive/1/535354/100/1100/threaded
securityfocus.com / bid/74452
securitytracker.com / id/1032195
ubuntu.com / usn/USN-2593-1
Vendor Advisory