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openSUSE 16 Security Update : coredns (openSUSE-SU-2026:21674-1)

medium Nessus Plugin ID 341580

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Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21674-1 advisory.

 Changes in coredns:

 - Update to version 1.14.7:
 * plugin/acl, plugin/cache, plugin/file, plugin/forward, plugin/kubernetes:
 assorted correctness fixes (stale-cache races, AXFR zone contamination, DoH health-check TLS config, failover counter reset, ACL bypass via autopath).
 * New: plugin/shed (UDP overload protection), plugin/tls (ACME DNS-01), plugin/timeouts maxtcpqueries, DoQ connection-level concurrency limits.
 - CVE-2026-41178: go.opentelemetry.io/otel/baggage header parsing did not reject excessively large raw values, allowing a denial of service via oversized input; fixed by the otel bump to v1.44.0 pulled in with this update (boo#1276712)

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

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

Solution

Update the affected coredns and / or coredns-extras packages.

See Also

https://bugzilla.suse.com/1276712

https://www.suse.com/security/cve/CVE-2026-41178

Plugin Details

Severity: Medium

ID: 341580

File Name: openSUSE-2026-21674-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/30/2026

Updated: 8/30/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-41178

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:coredns-extras, p-cpe:/a:novell:opensuse:coredns

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/28/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-41178