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CVE-2019-14513

25
FAUCET Score

CVE-2019-14513 is a high-severity vulnerability affecting Dnsmasq versions prior to 2.76, specifically impacting Debian Linux distributions. It involves improper bounds checking, allowing a malicious DNS server to send oversized DNS packets, leading to a read operation beyond the allocated buffer. This vulnerability has a CVSS score of 7.5 (High) and could result in a denial of service (availability impact). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.76CPE matchmatch criteria
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 57th percentile among its peer group of 51,551 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dnsmasq-0:2.76-2.el7
View patch

Vendor Advisories (1)

redhatCVE-2019-14513Low

dnsmasq: Improper bounds checking leads to a buffer overread

Aug 9, 2019

References

github.com / Slovejoy/dnsmasq-pre2.76
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2019/09/msg00013.html
Mailing ListThird Party Advisory