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CentOS Linux 6 [TuxCare] Security Update: libwebp / libwebp-devel / libwebp-java / libwebp-tools Multiple Vulnerabilities (CENTOS6:CLSA-2026:1777974224)

critical Nessus Plugin ID 361785

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Synopsis

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

Description

The CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2026:1777974224 advisory.

 - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE16(). (CVE-2018-25009)

 - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter().
 (CVE-2018-25010)

 - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16(). (CVE-2018-25011)

 - A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24(). (CVE-2018-25012)

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

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 CENTOS6:CLSA-2026:1777974224.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1777974224

http://www.nessus.org/u?7271b67c

Plugin Details

Severity: Critical

ID: 361785

File Name: tuxcare_centos_6_CLSA-2026-1777974224.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

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/OS/extended-third-party, Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2026

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2018-25009, CVE-2018-25010, CVE-2018-25011, CVE-2018-25012, CVE-2018-25013, CVE-2018-25014

CLSA: 2026:1777974224