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CVE-2015-8899

20
FAUCET Score

CVE-2015-8899 describes a Denial of Service (DoS) vulnerability in Dnsmasq versions prior to 2.76, affecting products like Canonical Dnsmasq and Ubuntu Linux. A remote server can trigger a crash by sending a DNS reply containing an empty address for an A or AAAA record that is locally defined. This vulnerability has a CVSS v3 score of 7.5 (High), indicating a network-based attack with low complexity and a high impact on availability, but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
<= 2.75CPE matchmatch criteria
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 69th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2015-8899Low

dnsmasq: Denial-of-service when empty address from DNS overlays A record from hosts

Nov 14, 2015

References

lists.thekelleys.org.uk / pipermail/dnsmasq-discuss/2016q2/010479.html
lists.thekelleys.org.uk / pipermail/dnsmasq-discuss/2016q2/010505.html
thekelleys.org.uk / gitweb
openwall.com / lists/oss-security/2016/06/03/7
openwall.com / lists/oss-security/2016/06/04/2
securityfocus.com / bid/91031
securitytracker.com / id/1036045
ubuntu.com / usn/USN-3009-1