vulnerability
Rocky Linux: CVE-2021-25220: dhcp (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:P/A:N) | Mar 23, 2022 | Mar 12, 2024 | Mar 31, 2026 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:P/A:N)
Published
Mar 23, 2022
Added
Mar 12, 2024
Modified
Mar 31, 2026
Description
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Solutions
rocky-upgrade-bindrocky-upgrade-bind-chrootrocky-upgrade-bind-debuginforocky-upgrade-bind-debugsourcerocky-upgrade-bind-develrocky-upgrade-bind-dnssec-utilsrocky-upgrade-bind-dnssec-utils-debuginforocky-upgrade-bind-export-develrocky-upgrade-bind-export-libsrocky-upgrade-bind-export-libs-debuginforocky-upgrade-bind-libsrocky-upgrade-bind-libs-debuginforocky-upgrade-bind-libs-literocky-upgrade-bind-libs-lite-debuginforocky-upgrade-bind-lite-develrocky-upgrade-bind-pkcs11rocky-upgrade-bind-pkcs11-debuginforocky-upgrade-bind-pkcs11-develrocky-upgrade-bind-pkcs11-libsrocky-upgrade-bind-pkcs11-libs-debuginforocky-upgrade-bind-pkcs11-utilsrocky-upgrade-bind-pkcs11-utils-debuginforocky-upgrade-bind-sdbrocky-upgrade-bind-sdb-chrootrocky-upgrade-bind-sdb-debuginforocky-upgrade-bind-utilsrocky-upgrade-bind-utils-debuginforocky-upgrade-bind9.16rocky-upgrade-bind9.16-chrootrocky-upgrade-bind9.16-debuginforocky-upgrade-bind9.16-debugsourcerocky-upgrade-bind9.16-develrocky-upgrade-bind9.16-dnssec-utilsrocky-upgrade-bind9.16-dnssec-utils-debuginforocky-upgrade-bind9.16-libsrocky-upgrade-bind9.16-libs-debuginforocky-upgrade-bind9.16-utilsrocky-upgrade-bind9.16-utils-debuginforocky-upgrade-dhcp-clientrocky-upgrade-dhcp-client-debuginforocky-upgrade-dhcp-relayrocky-upgrade-dhcp-relay-debuginforocky-upgrade-dhcp-serverrocky-upgrade-dhcp-server-debuginfo
References
- CVE-2021-25220
- https://attackerkb.com/topics/CVE-2021-25220
- CWE-444
- EUVD-EUVD-2021-12131
- https://errata.rockylinux.org/RLSA-2022:7643
- https://errata.rockylinux.org/RLSA-2022:7790
- https://errata.rockylinux.org/RLSA-2022:8068
- https://errata.rockylinux.org/RLSA-2022:8385
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-12131
Rapid7 Labs
2026 Global Threat Landscape Report
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