Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-58218

A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to the TKEY name cache before being rejected. A remote, unauthenticated attacker can exploit this behavior by sending a large numbe…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-58218?
CVE-2026-58218 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-410. CVSS score: 5.3/10. Published 2026-07-30.
How severe is CVE-2026-58218?
Medium severity. CVSS v3 base score is 5.3 out of 10.