VDB
RHSA-2021%3A2721
RHSA-2021%3A2721
PUBLISHED
CVSS 5.5 MEDIUM
Red Hat Security Advisory: systemd security update
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_eus:8.2::baseos | systemd-udev-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-container | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-journal-remote-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-libs-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-tests | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-pam | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-container-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-tests-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-libs | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-pam-debuginfo | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-devel | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-udev | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-debugsource | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd-journal-remote | 0, 0 |
| Red Hat:rhel_eus:8.2::baseos | systemd | 0, 0 |
Timeline
- Jul 20, 2021 CVE 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-2021:2721 advisory
- https://access.redhat.com/security/updates/classification/#important article
- https://access.redhat.com/security/vulnerabilities/RHSB-2021-006 article
- https://bugzilla.redhat.com/show_bug.cgi?id=1970887 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2721.json advisory
- https://access.redhat.com/security/cve/CVE-2021-33910 report
- https://www.cve.org/CVERecord?id=CVE-2021-33910 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-33910 advisory
- https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt article