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Red HatCVE-2026-13002

Red Hat Enterprise Linux 10: infinite loop

Medium4.4CVE-2026-13002 · Published Aug 14, 2026 · updated Aug 31, 2026

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.

Red Hat advisory

Affected versions

PackageAffectedFixed in
Red Hat Enterprise Linux 10
Product
all versionsNo fix yet
Red Hat Enterprise Linux 6
Product
all versionsNo fix yet
Red Hat Enterprise Linux 7
Product
all versionsNo fix yet
Red Hat Enterprise Linux 8
Product
all versionsNo fix yet
Red Hat Enterprise Linux 9
Product
all versionsNo fix yet
Red Hat OpenShift Container Platform 4
Product
all versionsNo fix yet
all versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-835

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