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Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11

🗓️ 02 Jun 2021 18:14:42Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Memory safety bugs fixed in Firefox 89 and ESR 78.11; could enable memory corruption and arbitrary code; affects Thunderbird before 78.11, Firefox before 89, and ESR before 78.11.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 78.11.0-alt1
1 Jun 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 78.11.0-alt1
3 Jun 202100:00
–altlinux
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Multicloud Management Monitoringhas applied security fixes for its use of Mozilla Firefox
1 Dec 202115:09
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 78.14.0 ESR + CVE-2021-29967) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF14
28 Sep 202116:45
–ibm
ATTACKERKB		CVE-2021-29967
24 Jun 202114:15
–attackerkb
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2021-1681)
1 Jul 202100:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2021:2233)
9 Jun 202100:00
–nessus
Tenable Nessus		CentOS 8 : thunderbird (CESA-2021:2264)
16 Jun 202100:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2021:2206)
14 Jun 202100:00
–nessus
Tenable Nessus		CentOS 7 : thunderbird (RHSA-2021:2263)
9 Oct 202400:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1aarch64firefox78.11.0-3.el8_1firefox-78.11.0-3.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lefirefox78.11.0-3.el8_1firefox-78.11.0-3.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xfirefox78.11.0-3.el8_1firefox-78.11.0-3.el8_1.s390x.rpm
Red Hat Enterprise Linux8.1x86_64firefox78.11.0-3.el8_1firefox-78.11.0-3.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64firefox-debuginfo78.11.0-3.el8_1firefox-debuginfo-78.11.0-3.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lefirefox-debuginfo78.11.0-3.el8_1firefox-debuginfo-78.11.0-3.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1s390xfirefox-debuginfo78.11.0-3.el8_1firefox-debuginfo-78.11.0-3.el8_1.s390x.rpm
Red Hat Enterprise Linux8.1x86_64firefox-debuginfo78.11.0-3.el8_1firefox-debuginfo-78.11.0-3.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1aarch64firefox-debugsource78.11.0-3.el8_1firefox-debugsource-78.11.0-3.el8_1.aarch64.rpm
Red Hat Enterprise Linux8.1ppc64lefirefox-debugsource78.11.0-3.el8_1firefox-debugsource-78.11.0-3.el8_1.ppc64le.rpm
Rows per page

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21 Nov 2025 18:22Current
7.5High risk
Vulners AI Score7.5
CVSS 26.8
CVSS 3.18.8
EPSS0.01368
CWE-120
memory safetyfirefox eighty nineextended support releasememory corruptionarbitrary codethunderbird before 78.11firefox before 89extended support release before 78.11
5