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Mozilla: Use-after-free in Responsive Design Mode

🗓️ 26 Apr 2021 05:49:47Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Use-after-free in Responsive Design Mode may enable arbitrary code execution in Firefox ESR below 78.10, Thunderbird below 78.10, and Firefox below 88.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
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
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 78.10.0-alt1
21 Apr 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 78.10.0-alt1
26 Apr 202100:00
–altlinux
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2021-1644)
24 May 202100:00
–nessus
Tenable Nessus		CentOS 8 : thunderbird (CESA-2021:1353)
27 Apr 202100:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2021:1360)
3 May 202100:00
–nessus
Tenable Nessus		CentOS 7 : thunderbird (RHSA-2021:1350)
9 Oct 202400:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2021:1363)
9 Oct 202400:00
–nessus
Tenable Nessus		Debian DLA-2632-1 : thunderbird security update
23 Apr 202100:00
–nessus
Tenable Nessus		Debian DLA-2633-1 : firefox-esr security update
27 Apr 202100:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.3aarch64thunderbird78.10.0-1.el8_3thunderbird-78.10.0-1.el8_3.aarch64.rpm
Red Hat Enterprise Linux8.3ppc64lethunderbird78.10.0-1.el8_3thunderbird-78.10.0-1.el8_3.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64thunderbird78.10.0-1.el8_3thunderbird-78.10.0-1.el8_3.x86_64.rpm
Red Hat Enterprise Linux8.3aarch64thunderbird-debuginfo78.10.0-1.el8_3thunderbird-debuginfo-78.10.0-1.el8_3.aarch64.rpm
Red Hat Enterprise Linux8.3ppc64lethunderbird-debuginfo78.10.0-1.el8_3thunderbird-debuginfo-78.10.0-1.el8_3.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64thunderbird-debuginfo78.10.0-1.el8_3thunderbird-debuginfo-78.10.0-1.el8_3.x86_64.rpm
Red Hat Enterprise Linux8.3aarch64thunderbird-debugsource78.10.0-1.el8_3thunderbird-debugsource-78.10.0-1.el8_3.aarch64.rpm
Red Hat Enterprise Linux8.3ppc64lethunderbird-debugsource78.10.0-1.el8_3thunderbird-debugsource-78.10.0-1.el8_3.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64thunderbird-debugsource78.10.0-1.el8_3thunderbird-debugsource-78.10.0-1.el8_3.x86_64.rpm

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21 Nov 2025 18:21Current
7.4High risk
Vulners AI Score7.4
CVSS 25.1
CVSS 3.18.8
EPSS0.01214
CWE-416
use after freeresponsive design modefirefox esrbelow 78.10thunderbird below 78.10firefox below 88
5