How severe is CVE-2018-25432?

CVE-2018-25432 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-25432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2018-25432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2018-25432 have an EU (EUVD) identifier?

Yes. CVE-2018-25432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21953.

When was CVE-2018-25432 published?

CVE-2018-25432 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2018-25432

CVE-2018-25432 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.6
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21953
Weakness: CWE-120
Published: 2026-06-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 the nSEH and SEH pointers, enabling code execution through exception handler hijacking.
How severe is CVE-2018-25432?: CVE-2018-25432 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-25432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2018-25432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2018-25432 have an EU (EUVD) identifier?: Yes. CVE-2018-25432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21953.
When was CVE-2018-25432 published?: CVE-2018-25432 was published on 2026-06-01 and last updated on 2026-06-17.

References

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