CVE-2023-54334CWE-121

Explorer32++ 1.3.5.531 - Buffer overflow

High · published January 13, 2026

CVSS v4.0
7.0
EPSS
1%
Percentile
47.7
In the wild
Unconfirmed
What it is

⚡ A clever buffer overflow hides in Explorer32++ 1.3.5.531! By just tossing in a long file name over 396 characters, an attacker could corrupt the Structured Exception Handler (SEH) chain and unleash chaos! 😱 Think of it like a traffic jam caused by an oversized truck trying to squeeze through a narrow street. As it struggles, it blocks all the other vehicles behind it and can even cause a pile-up! This buffer overflow lets an attacker corrupt the flow of data, opening the door to havoc. If exploited, attackers could execute arbitrary code with the same privileges as the user running Explorer32++. This could lead to unauthorized access, data theft, or even complete system takeover—yikes!

Put simply

Think of it like a traffic jam caused by an oversized truck trying to squeeze through a narrow street. As it struggles, it blocks all the other vehicles behind it and can even cause a pile-up! This buffer overflow lets an attacker corrupt the flow of data, opening the door to havoc. This vulnerability occurs when malformed input exceeds the buffer allocated for SEH records, allowing attackers to overwrite critical memory areas and potentially execute malicious code.

What to do

If exploited, attackers could execute arbitrary code with the same privileges as the user running Explorer32++. This could lead to unauthorized access, data theft, or even complete system takeover—yikes! To protect your system, upgrade Explorer32++ to the latest version immediately. Limit the length of file name arguments and consider employing additional security measures to monitor for unusual behavior. You've got this! By taking these steps, you can keep your system safe and sound! 🛡️

The record
Technical detail
CVSS v4.0
7.0 · HIGH
Vector
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
EPSS
0.00592 · 47.7th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-01-13T22:52Z
EPSS history
Timeline
  • 13 JAN 22:52Z
    Explorer32++ 1.3.5.531 - Buffer overflow
    cvelistv5