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SUSE SLED15 / SLES15 Security Update : libusb-1_0 (SUSE-SU-2026:4050-1)

medium Nessus Plugin ID 348472

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4050-1 advisory.

 This update for libusb-1_0 fixes the following issue:

 - CVE-2026-23679: NULL pointer dereference in `parse_interface()` allows attackers to crash applications by supplying a malformed USB configuration descriptor (bsc#1266664).

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 libusb-1_0-0, libusb-1_0-0-32bit and / or libusb-1_0-devel packages.

See Also

https://bugzilla.suse.com/1266664

https://www.suse.com/security/cve/CVE-2026-23679

http://www.nessus.org/u?51dc1240

Plugin Details

Severity: Medium

ID: 348472

File Name: suse_SU-2026-4050-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/21/2026

Updated: 9/21/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.62

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-23679

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libusb-1_0-0-32bit, p-cpe:/a:novell:suse_linux:libusb-1_0-0, p-cpe:/a:novell:suse_linux:libusb-1_0-devel

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: 9/7/2026

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2026-23679

SuSE: SUSE-SU-2026:4050-1