CentOS Linux 8 [TuxCare] Security Update: libwebp / libwebp-devel / libwebp-java / libwebp-tools Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1776421961)

critical Nessus Plugin ID 361361

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1776421961 advisory.

- A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().
(CVE-2018-25013)

- A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().
(CVE-2018-25014)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in TuxCare advisory CENTOS-STREAM8:CLSA-2026:1776421961.

Plugin Details

Severity: Critical

ID: 361361

File Name: tuxcare_centos_8_CLSA-2026-1776421961.nasl

Version: 1.1

Type: Local

Agent: unix

Family: CentOS Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2018-25014

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/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

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 4/17/2026

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2018-25013, CVE-2018-25014

CLSA: 2026:1776421961

Detections

Analytics