CVE-2023-4590

9.8 criticalEPSS 1.1%

Critical (9.8) in kimmov frhed. EPSS 1.1% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in Frhed hex editor, affecting version 1.6.0. This vulnerability could allow an attacker to execute arbitrary code via a long filename argument through the Structured Exception Handler (SEH) registers.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2023-11-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kimmov:frhed

References

https://www.incibe.es/en/incibe-cert/notices/aviso/buffer-overflow-vulnerability-frhed
https://www.incibe.es/en/incibe-cert/notices/aviso/buffer-overflow-vulnerability-frhed

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