What is CVE-2019-13952?

CVE-2019-13952 is a critical-severity vulnerability in Gdnsd, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-18.

How severe is CVE-2019-13952?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Gdnsd

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.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gdnsd
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-13952?: CVE-2019-13952 is a critical-severity vulnerability in Gdnsd, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-18.
How severe is CVE-2019-13952?: Critical severity. CVSS v3 base score is 9.8 out of 10.