CVE-2026-13002CWE-835

CVE-2026-13002

Medium · published August 14, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
3.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00147 · 3.6th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-08-14T20:16Z
Affected products (6)
ProductVersionsFixed in
redhat/openshift_container_platformall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
References (2)
https://access.redhat.com/security/cve/CVE-2026-13002 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2486360 · [email protected]
EPSS history
Timeline
  • 14 AUG 15:02Z
    Dnsmasq: infinite loop dos in dnssec nsec/nsec3 type bitmap parsing
    cvelistv5