RHEL 8 : lz4 (RHSA-2025:11035)

high Nessus Plugin ID 242115

Synopsis

The remote Red Hat host is missing a security update for lz4.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:11035 advisory.

The lz4 packages provide support for LZ4, a very fast, lossless compression algorithm that provides compression speeds of 400 MB/s per core and scales with multicore CPUs. It also features an extremely fast decoder that reaches speeds of multiple GB/s per core and typically reaches RAM speed limits on multicore systems.

Security Fix(es):

* lz4: heap-based buffer overflow in LZ4_write32 (CVE-2019-17543)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL lz4 package based on the guidance in RHSA-2025:11035.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1765316

http://www.nessus.org/u?e6bbf711

https://access.redhat.com/errata/RHSA-2025:11035

Plugin Details

Severity: High

ID: 242115

File Name: redhat-RHSA-2025-11035.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/15/2025

Updated: 7/15/2025

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2019-17543

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/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:redhat:enterprise_linux:lz4-devel, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:lz4-libs, p-cpe:/a:redhat:enterprise_linux:lz4, cpe:/o:redhat:enterprise_linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/15/2025

Vulnerability Publication Date: 10/14/2019

Reference Information

CVE: CVE-2019-17543

CWE: 122

RHSA: 2025:11035