CVE-2021-3156βSudo Heap-Based Buffer Overflow Vulnerability
PUBLISHEDvulnerability record
2022-04-06 Β· last modified June 21, 2025
Metadata
Vulnerability Name
Sudo Heap-Based Buffer Overflow Vulnerability
Description
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.
Known To Be Used in Ransomware Campaigns?
Action
Apply updates per vendor instructions.