CVE-2019-13951
CVSS v3
9.8
CRITICAL
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.
Technical details
- Published
- 2019-07-18
Frequently asked questions
What is CVE-2019-13951?
The set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.
Is CVE-2019-13951 actively exploited?
Active exploitation of CVE-2019-13951 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-13951?
CVE-2019-13951 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-13951 affecting your environment?
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