SUSE SLED15 / SLES15 Security Update : libarchive (SUSE-SU-2026:3429-1)

medium Nessus Plugin ID 331461

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-2026:3429-1 advisory.

- creating temporary files in the current working directory instead of the target directory can lead to file creation failures when the working directory is not writable (bsc#1254340).
- file descriptor leak in the mtree parser cleanup path could lead to file descriptor exhaustion and denial of service (bsc#1261003).
- NULL pointer dereference in archive_acl_from_text_w() could lead to a segmentation fault (bsc#1260998).
- reading from an invalid index when buffer size is smaller than H_LEVEL_OFFSET can lead to an out-of- bounds buffer overrun (bsc#1254341).
- incorrect pointer handling for RAR5 files declaring over 8192 filters can lead to excessive resource usage and denial of service (bsc#1261002).

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 bsdtar, libarchive-devel and / or libarchive13 packages.

See Also

https://bugzilla.suse.com/1254340

https://bugzilla.suse.com/1254341

https://bugzilla.suse.com/1260998

https://bugzilla.suse.com/1261002

https://bugzilla.suse.com/1261003

https://lists.suse.com/pipermail/sle-updates/2026-July/048968.html

Plugin Details

Severity: Medium

ID: 331461

File Name: suse_SU-2026-3429-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/31/2026

Updated: 7/31/2026

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:bsdtar, p-cpe:/a:novell:suse_linux:libarchive-devel, p-cpe:/a:novell:suse_linux:libarchive13

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: 7/30/2026

Vulnerability Publication Date: 7/30/2026

Reference Information

SuSE: SUSE-SU-2026:3429-1