openSUSE 16 Security Update : bind (openSUSE-SU-2026:20550-1)

high Nessus Plugin ID 309140

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20550-1 advisory.

- Update to release 9.20.21
- CVE-2026-1519: maliciously crafted DNSSEC-validated zone can lead to denial of service (bsc#1260805).
- CVE-2026-3104: memory leak in code preparing DNSSEC proofs of non-existence allows for DoS (bsc#1260567).
- CVE-2026-3119: authenticated queries containing a TKEY record may cause `named` to terminate unexpectedly (bsc#1260568).
- CVE-2026-3591: stack use-after-return flaw in SIG(0) handling code allows for ACL bypass (bsc#1260569).

Tenable has extracted the preceding description block directly from the SUSE 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 packages.

See Also

https://bugzilla.suse.com/1260805

https://www.suse.com/security/cve/CVE-2026-1519

https://bugzilla.suse.com/1259202

https://bugzilla.suse.com/1260567

https://bugzilla.suse.com/1260568

https://bugzilla.suse.com/1260569

https://www.suse.com/security/cve/CVE-2026-3104

https://www.suse.com/security/cve/CVE-2026-3119

https://www.suse.com/security/cve/CVE-2026-3591

Plugin Details

Severity: High

ID: 309140

File Name: openSUSE-2026-20550-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/22/2026

Updated: 4/22/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-3591

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2026-1519

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:bind-utils, p-cpe:/a:novell:opensuse:bind-modules-perl, p-cpe:/a:novell:opensuse:bind-modules-sqlite3, p-cpe:/a:novell:opensuse:bind-modules-mysql, p-cpe:/a:novell:opensuse:bind-modules-ldap, p-cpe:/a:novell:opensuse:bind-modules-generic, p-cpe:/a:novell:opensuse:bind-modules-bdbhpt, p-cpe:/a:novell:opensuse:bind

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: 4/16/2026

Vulnerability Publication Date: 3/25/2026

Reference Information

CVE: CVE-2026-1519, CVE-2026-3104, CVE-2026-3119, CVE-2026-3591

IAVA: 2026-A-0269