What’s Vulnerable › Vulnerabilities

CVE-2019-14513

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-01 · updated 2026-06-17
• Weakness: CWE-125

Description

Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.

Affected products

• Debian Linux: 8.0
• Simon Kelley dnsmasq: before 2.76 — fixed in 2.76

How to fix

Upgrade to a fixed version: Simon Kelley dnsmasq 2.76. Check the vendor advisory for mitigations.

References

• https://github.com/Slovejoy/dnsmasq-pre2.76
• https://lists.debian.org/debian-lts-announce/2019/09/msg00013.html
• https://github.com/Slovejoy/dnsmasq-pre2.76
• https://lists.debian.org/debian-lts-announce/2019/09/msg00013.html

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