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openSUSE 16: librrd8 / lua-rrdtool / perl-rrdtool / python3-rrdtool / rrdtool / etc (openSUSE-SU-2026:21525-1)

high Nessus Plugin ID 333005

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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-2026:21525-1 advisory.

 This update for rrdtool fixes the following issue:

 - CVE-2026-43958: stack buffer overflow in `rrdcached` `handle_request_create()` can lead to local privilege escalation via unbounded DS/RRA arguments (bsc#1267243).

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 packages.

See Also

https://bugzilla.suse.com/1267243

https://www.suse.com/security/cve/CVE-2026-43958

Plugin Details

Severity: High

ID: 333005

File Name: openSUSE-2026-21525-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/6/2026

Updated: 8/6/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.13

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-43958

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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:librrd8, p-cpe:/a:novell:opensuse:lua-rrdtool, p-cpe:/a:novell:opensuse:perl-rrdtool, p-cpe:/a:novell:opensuse:python3-rrdtool, p-cpe:/a:novell:opensuse:rrdtool-cached, p-cpe:/a:novell:opensuse:rrdtool-devel, p-cpe:/a:novell:opensuse:rrdtool, p-cpe:/a:novell:opensuse:ruby-rrdtool, p-cpe:/a:novell:opensuse:tcl-rrdtool

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: 8/4/2026

Vulnerability Publication Date: 6/1/2026

Reference Information

CVE: CVE-2026-43958