What is CVE-2018-25432?

CVE-2018-25432 is a high-severity vulnerability in Armcode Arm Whois, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-06-01.

How severe is CVE-2018-25432?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Armcode Arm Whois

CVE-2018-25432

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting the structured exception handler. Attackers can craft a malicious input file with a 672-byte offset to overwrite t…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Armcode Arm Whois — versions 3.11

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2018-25432?: CVE-2018-25432 is a high-severity vulnerability in Armcode Arm Whois, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-06-01.
How severe is CVE-2018-25432?: High severity. CVSS v3 base score is 8.4 out of 10.