What’s Vulnerable › Vulnerabilities

CVE-2023-4590: Buffer Overflow vulnerability in Frhed

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-27 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• Frhed: 1.6.0

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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