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Mozilla: Use-after-free in WebRequestService

🗓️ 30 Nov 2020 08:55:51Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Use-after-free in WebRequestService during shutdown may cause memory corruption and a crash. Firefox versions less than 83, Extended Support Release less than 78.5, and Thunderbird versions less than 78.5 are affected.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 78.5.0-alt1
19 Nov 202000:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 78.5.0-alt1
16 Nov 202000:00
–altlinux
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2021-1586)
7 Jan 202100:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2020:5237)
1 Feb 202100:00
–nessus
Tenable Nessus		CentOS 7 : thunderbird (RHSA-2020:5235)
9 Dec 202000:00
–nessus
Tenable Nessus		CentOS 6 : thunderbird (RHSA-2020:5238)
9 Oct 202400:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2020:5239)
9 Dec 202000:00
–nessus
Tenable Nessus		CentOS 6 : firefox (RHSA-2020:5257)
9 Oct 202400:00
–nessus
Tenable Nessus		Debian DLA-2457-1 : firefox-esr security update
20 Nov 202000:00
–nessus
Tenable Nessus		Debian DLA-2464-1 : thunderbird security update
24 Nov 202000:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2aarch64thunderbird0:78.5.0-1.el8_2thunderbird-0:78.5.0-1.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird0:78.5.0-1.el8_2thunderbird-0:78.5.0-1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird0:78.5.0-1.el8_2thunderbird-0:78.5.0-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64thunderbird-debuginfo0:78.5.0-1.el8_2thunderbird-debuginfo-0:78.5.0-1.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird-debuginfo0:78.5.0-1.el8_2thunderbird-debuginfo-0:78.5.0-1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debuginfo0:78.5.0-1.el8_2thunderbird-debuginfo-0:78.5.0-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2aarch64thunderbird-debugsource0:78.5.0-1.el8_2thunderbird-debugsource-0:78.5.0-1.el8_2.aarch64.rpm
Red Hat Enterprise Linux8.2ppc64lethunderbird-debugsource0:78.5.0-1.el8_2thunderbird-debugsource-0:78.5.0-1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64thunderbird-debugsource0:78.5.0-1.el8_2thunderbird-debugsource-0:78.5.0-1.el8_2.x86_64.rpm

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21 Nov 2025 18:18Current
7.4High risk
Vulners AI Score7.4
CVSS 26.8
CVSS 3.18.8
EPSS0.0127
CWE-416
use after freeweb request serviceshutdown issuememory corruptioncrash vulnerabilityfirefox versionsthunderbird versionsextended support release
8