CVE-2020-37124
CRITICALB64dec 1.1.2 - Buffer Overflow
Title source: llmDescription
B64dec 1.1.2 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) with crafted input. Attackers can leverage an egg hunter technique and carefully constructed payload to inject and execute malicious code during base64 decoding process.
Exploits (1)
Scores
CVSS v3
9.8
EPSS
0.0008
EPSS Percentile
22.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-121
Status
published
Products (1)
4Mhz/B64dec
1.1.2
Published
Feb 05, 2026
Tracked Since
Feb 18, 2026