CVE record
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.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
high
CVSS 7.8 · CVSS_V3
Affected packages
0
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Sudo
- Product
- Sudo
- Date added
- Apr 6, 2022
- CISA federal remediation due date
- Apr 27, 2022
- Required action
- Apply updates per vendor instructions.
- Known ransomware campaign use
- Unknown
- CWE
- CWE-122, CWE-193
OSV package mapping
Affected open-source packages
OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.