Fedora 46 : bind / bind-dyndb-ldap (2026-56974571ee)

high Nessus Plugin ID 367324

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 46 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-56974571ee advisory.

# Security updates using git snapshot

Release 9.18 is end-of-life upstream. Apply security fixes including medium CVEs from somehow maintained git branch bind-9.18.

- [CVE-2026-75029](https://kb.isc.org/docs/CVE-2026-75029) Discard repeated SOA, CNAME, and DNAME records when parsing DNS messages
- [CVE-2026-19666](https://kb.isc.org/docs/CVE-2026-19666) DNS64 with break-dnssec could cause an assertion failure
- [CVE-2026-19662](https://kb.isc.org/docs/CVE-2026-19662) Prevent resolver crash with cached DNSSEC proofs
- [CVE-2026-19941](https://kb.isc.org/docs/CVE-2026-19941) Prevent forged DNSSEC-validated NXDOMAIN responses
- [CVE-2026-78301](https://kb.isc.org/docs/CVE-2026-78301) Out-of-zone records in a zone database could be served as authoritative
- [CVE-2026-81563](https://kb.isc.org/docs/CVE-2026-81563) Following HTTPS/SVCB aliases could leak resolver cache memory
- [CVE-2026-80274](https://kb.isc.org/docs/CVE-2026-80274) Crash on wildcard answers carrying both NSEC and NSEC3 proofs
- [CVE-2026-19033](https://kb.isc.org/docs/CVE-2026-19033) Require a TSIG on every message of incoming zone transfers
- [CVE-2026-81736](https://kb.isc.org/docs/CVE-2026-81736) Cached HTTPS/SVCB aliases could exhaust resolver CPU
- [CVE-2026-19667](https://kb.isc.org/docs/CVE-2026-19667) Reject negative cache records that do not fit in a dns_rdata_t



Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected 32:bind and / or bind-dyndb-ldap packages.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-56974571ee

Plugin Details

Severity: High

ID: 367324

File Name: fedora_2026-56974571ee.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/19/2026

Updated: 10/19/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.2

Percentile: 96.33

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-13321

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:46, p-cpe:/a:fedoraproject:fedora:bind-dyndb-ldap, p-cpe:/a:fedoraproject:fedora:bind

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2026

Vulnerability Publication Date: 7/22/2026

Reference Information

CVE: CVE-2026-10822, CVE-2026-11331, CVE-2026-13321, CVE-2026-19033, CVE-2026-19662, CVE-2026-19666, CVE-2026-19667, CVE-2026-19668, CVE-2026-19941, CVE-2026-75029, CVE-2026-77119, CVE-2026-78301, CVE-2026-80274, CVE-2026-81563, CVE-2026-81736

FEDORA: 2026-56974571ee

IAVA: 2026-A-0764-S, 2026-A-1029