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SUSE SLED15 / SLES15 Security Update : libnfs (SUSE-SU-2026:2760-1)

high Nessus Plugin ID 325366

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-2026:2760-1 advisory.

 This update for libnfs fixes the following issue

 - CVE-2026-53689: integer overflow during a connection to a crafted NFS server (bsc#1268135).

 Changes for libnfs:

 - Add libnfs-CVE-2026-53689.patch: ZDR: check the string size for sanity (bsc#1268135 CVE-2026-53689).

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 libnfs-devel and / or libnfs8 packages.

See Also

https://bugzilla.suse.com/1268135

https://www.suse.com/security/cve/CVE-2026-53689

http://www.nessus.org/u?e92a2d5d

Plugin Details

Severity: High

ID: 325366

File Name: suse_SU-2026-2760-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/7/2026

Updated: 7/7/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.51

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

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

CVSS Score Source: CVE-2026-53689

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libnfs-devel, p-cpe:/a:novell:suse_linux:libnfs8

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: 7/6/2026

Vulnerability Publication Date: 6/10/2026

Reference Information

CVE: CVE-2026-53689

SuSE: SUSE-SU-2026:2760-1