CVE-2026-21807

Name of the Vulnerable Software and Affected Versions HCL BigFix Quantum Risk Analyzer (affected versions not specified)

Description The binary lacks several critical, industry-standard hardening protections, which could allow an attacker to cause a stack-based buffer overflow. A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially leading to crashes or arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.