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CVE Record
[ HIGH ]CVE-2021-3156

Sudo Heap-Based Buffer Overflow Vulnerability

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

cat cve-2021-3156.json
Vendor
Sudo
Product
Sudo
CVSS
7.8
EPSS (exploit probability)
99.3%
Status
kev
CISA patch-by (BOD 22-01)
Published
Source
https://nvd.nist.gov/vuln/detail/CVE-2021-3156

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

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-04-06. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-04-27.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.