SUSE SLED12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2021:2691-1)

high Nessus Plugin ID 152649

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Synopsis

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

Description

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2691-1 advisory.

Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891):

- CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption
- CVE-2021-29988: Memory corruption as a result of incorrect style treatment
- CVE-2021-29984: Incorrect instruction reordering during JIT optimization
- CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption
- CVE-2021-29985: Use-after-free media channels
- CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR 78.13

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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 MozillaFirefox, MozillaFirefox-devel and / or MozillaFirefox-translations-common packages.

Plugin Details

Severity: High

ID: 152649

File Name: suse_SU-2021-2691-1.nasl

Version: 1.7

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/18/2021

Updated: 6/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-29989

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:mozillafirefox-devel, p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common, p-cpe:/a:novell:suse_linux:mozillafirefox

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/17/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

CVE: CVE-2021-29980, CVE-2021-29984, CVE-2021-29985, CVE-2021-29986, CVE-2021-29988, CVE-2021-29989

IAVA: 2021-A-0366-S

SuSE: SUSE-SU-2021:2691-1

Detections

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