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CRITICAL

CVE-2019-13952

CVSS v3

9.8

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.

Technical details

Published
2019-07-18

Frequently asked questions

What is CVE-2019-13952?

The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.

Is CVE-2019-13952 actively exploited?

Active exploitation of CVE-2019-13952 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-13952?

CVE-2019-13952 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-13952 affecting your environment?

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