Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-13002
A flow has been identified into dnssec.c library, causing an infinite loop to dnsmasq service. An attacker who controls any DNSSEC-signed zone can hang the dnsmasq process with a single crafted response, killing all DNS resolution for its clients.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-13002?
- CVE-2026-13002 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.4/10. Published 2026-08-14.
- How severe is CVE-2026-13002?
- Medium severity. CVSS v3 base score is 4.4 out of 10.