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Vulnerability record · CVE-2018-25432 · published 1 June 2026

CVE-2018-25432: Classic buffer overflow vulnerability

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 the nSEH and SEH pointers, enabling code execution through exception handler hijacking.

8.6 CVSS 4.0 High EPSS 0.16% · top 95.3% CWE-120 · Classic buffer overflow Deferred
8.6CVSS 4.0 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
22 Jul 2026Last modified by NVD

Description

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 the nSEH and SEH pointers, enabling code execution through exception handler hijacking.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
http://www.armcode.com
http://www.armcode.com/downloads/arm-whois.exe
https://www.exploit-db.com/exploits/45907
https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-aslr-bypass

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Source: NIST National Vulnerability Database (record CVE-2018-25432), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.