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RockyLinux 8 : rrdtool (RLSA-2026:34155)

high Nessus Plugin ID 325075

Synopsis

The remote RockyLinux host is missing a security update.

Description

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:34155 advisory.

 * rrdtool: Stack buffer overflow in rrdcached handle_request_create() allows local privilege escalation via unbounded DS/RRA arguments (CVE-2026-43958)

Tenable has extracted the preceding description block directly from the RockyLinux 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.redhat.com/show_bug.cgi?id=2460932

https://errata.rockylinux.org/RLSA-2026:34155

Plugin Details

Severity: High

ID: 325075

File Name: rocky_linux_RLSA-2026-34155.nasl

Version: 1.1

Type: Local

Published: 7/4/2026

Updated: 7/4/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.98

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: p-cpe:/a:rocky:linux:python3-rrdtool-debuginfo, p-cpe:/a:rocky:linux:rrdtool-lua, p-cpe:/a:rocky:linux:rrdtool-tcl, p-cpe:/a:rocky:linux:rrdtool-lua-debuginfo, p-cpe:/a:rocky:linux:rrdtool-ruby, p-cpe:/a:rocky:linux:rrdtool-doc, p-cpe:/a:rocky:linux:rrdtool-perl, p-cpe:/a:rocky:linux:python3-rrdtool, p-cpe:/a:rocky:linux:rrdtool, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:rrdtool-devel, p-cpe:/a:rocky:linux:rrdtool-ruby-debuginfo, p-cpe:/a:rocky:linux:rrdtool-debugsource, p-cpe:/a:rocky:linux:rrdtool-tcl-debuginfo, p-cpe:/a:rocky:linux:rrdtool-debuginfo, p-cpe:/a:rocky:linux:rrdtool-perl-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/4/2026

Vulnerability Publication Date: 6/1/2026

Reference Information

CVE: CVE-2026-43958