Source: dnsmasq
Version: 2.93-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for dnsmasq.

Unfortunately at time of writing this bugreport only the Red Hat
bugzilla entry [1] was available. Can you check?

CVE-2026-13002[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-13002
    https://www.cve.org/CVERecord?id=CVE-2026-13002
[1] https://bugzilla.redhat.com/show_bug.cgi?id=2486360

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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