Buffer overflow in Explorerplusplus Explorer\+\+
CVE-2023-54334
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Explorerplusplus Explorer\+\+ — versions 1.3.5.531
- Explorerplusplus Explorer32++ — versions 1.3.5.531
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51077 (Exploit, Third Party Advisory, exploit)
- web.archive.org/web/20230205040401/http://www.explorerplusplus.com/ (Product, product)
- www.vulncheck.com/advisories/explorer-buffer-overflow (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-54334?
- CVE-2023-54334 is a critical-severity vulnerability in Explorerplusplus Explorer\+\+, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-13.
- How severe is CVE-2023-54334?
- Critical severity. CVSS v3 base score is 9.8 out of 10.