CVE-2026-13002

medium

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2486360

https://access.redhat.com/security/cve/CVE-2026-13002

Details

Source: Mitre, NVD

Published: 2026-08-14

Updated: 2026-08-14

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:M/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 4.4

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H