VDB
RHSA-2021%3A0220
RHSA-2021%3A0220
PUBLISHED
CVSS 7.800000190734863 HIGH
Red Hat Security Advisory: sudo security update
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_eus:8.1::baseos | sudo | 0, 0 |
| Red Hat:rhel_eus:8.1::baseos | sudo-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.1::baseos | sudo-debugsource | 0, 0 |
Timeline
- Jan 26, 2021 CVE Published
- Feb 13, 2025 PoC Published
- Nov 21, 2025 CVE Updated
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2021:0220 advisory
- https://access.redhat.com/security/updates/classification/#important article
- https://access.redhat.com/security/vulnerabilities/RHSB-2021-002 article
- https://bugzilla.redhat.com/show_bug.cgi?id=1917684 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0220.json advisory
- https://access.redhat.com/security/cve/CVE-2021-3156 report
- https://www.cve.org/CVERecord?id=CVE-2021-3156 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-3156 advisory
- https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt article
- https://www.sudo.ws/alerts/unescape_overflow.html article
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog article