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Vulnerability record · CVE-2023-54334 · published 13 January 2026

CVE-2023-54334: Explorerplusplus explorer\+\+ stack-based buffer overflow vulnerability

Explorerplusplus · Explorer\+\+

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.

7.0 CVSS 4.0 High EPSS 0.58% · top 54.6% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.0CVSS 4.0 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://web.archive.org/web/20230205040401/http://www.explorerplusplus.com/ Product
https://www.exploit-db.com/exploits/51077 ExploitThird Party Advisory
https://www.vulncheck.com/advisories/explorer-buffer-overflow Third Party Advisory
https://www.exploit-db.com/exploits/51077 ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-54334), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.