CentOS 8 : libwebp (CESA-2021:2354)

critical Nessus Plugin ID 150836


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


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:2354 advisory.

- libwebp: heap-based buffer overflow in PutLE16() (CVE-2018-25011)

- libwebp: heap-based buffer overflow in WebPDecode*Into functions (CVE-2020-36328)

- libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c (CVE-2020-36329)

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


Update the affected libwebp and / or libwebp-devel packages.

See Also


Plugin Details

Severity: Critical

ID: 150836

File Name: centos8_RHSA-2021-2354.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/16/2021

Updated: 6/16/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


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-2020-36329


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

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:libwebp, p-cpe:/a:centos:centos:libwebp-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/9/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2018-25011, CVE-2020-36328, CVE-2020-36329

RHSA: 2021:2354