Scientific Linux Security Update : libwebp on SL7.x i686/x86_64 (2021:2260)

critical Nessus Plugin ID 150446


The remote Scientific Linux host is missing one or more security updates.


The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2021:2260-1 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 packages.

See Also

Plugin Details

Severity: Critical

ID: 150446

File Name: sl_20210607_libwebp_on_SL7_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/10/2021

Updated: 6/10/2021

Supported Sensors: Nessus Agent, 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: p-cpe:/a:fermilab:scientific_linux:libwebp-debuginfo, p-cpe:/a:fermilab:scientific_linux:libwebp, p-cpe:/a:fermilab:scientific_linux:libwebp-devel, cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:libwebp-tools, p-cpe:/a:fermilab:scientific_linux:libwebp-java

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/7/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

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