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CVE-2021-3156

Sudo Heap-Based Buffer Overflow Vulnerability

SudoSudo

Added to KEV catalog
6 April 2022
Federal remediation due date
27 April 2022
Weakness classification (CWE)
CWE-122, CWE-193

CISA Description

Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-3156

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