What’s Vulnerable › Vulnerabilities

CVE-2023-54334: Explorer32++ 1.3.5.531 - Buffer overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-13 · updated 2026-06-17
• Weakness: CWE-121

Description

Explorer32++ 1.3.5.531 contains a buffer overflow vulnerability in Structured Exception Handler (SEH) records that allows attackers to execute arbitrary code. Attackers can exploit the vulnerability by providing a long file name argument over 396 characters to corrupt the SEH chain and potentially execute malicious code.

Affected products

• explorerplusplus Explorer++.exe: 1.3.5.531

References

• https://web.archive.org/web/20230205040401/http://www.explorerplusplus.com/
• https://www.exploit-db.com/exploits/51077
• https://www.vulncheck.com/advisories/explorer-buffer-overflow
• https://www.exploit-db.com/exploits/51077

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