This update for MozillaFirefox fixes the following issues :

Firefox Extended Support Release 78.4.1 ESR

  - Fixed: Security fix MFSA 2020-49 (bsc#1178588)

  - CVE-2020-26950 (bmo#1675905) Write side effects in     MCallGetProperty opcode not accounted for

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:5166 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 78.4.3.

    Security Fix(es):

    * Mozilla: Write side effects in MCallGetProperty opcode not accounted for (CVE-2020-26950)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

ID	Name	Product	Family	Published	Updated	Severity
143880	SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3312-1)	Nessus	SuSE Local Security Checks	12/9/2020	3/1/2022	high
144199	RHEL 8 : thunderbird (RHSA-2020:5166)	Nessus	Red Hat Local Security Checks	12/14/2020	11/7/2024	high
147407	NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004)	Nessus	NewStart CGSL Local Security Checks	3/10/2021	4/25/2023	critical

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high

high

critical