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Security Vulnerabilities fixed in Firefox ESR 91.3 — Mozilla

🗓️ 02 Nov 2021 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla🔗 www.mozilla.org👁 42 Views

Security vulnerabilities fixed in Firefox ESR 91.3, including iframe sandbox bypass, use-after-free, Cloud Clipboard data recording, fullscreen mode spoofing, HTTP2 security issues, form message obscuring prompt, JavaScript dialog vulnerability, and .inetloc file flaw

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 91.3.0-alt1
9 Nov 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 91.3.0-alt1
10 Nov 202100:00
–altlinux
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring.
31 Jan 202314:47
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 91.8.0ESR) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF16 - 2022.4.0
29 Apr 202204:43
–ibm
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2022-1818)
15 Jul 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : firefox (ALSA-2021:4123)
9 Feb 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : thunderbird (ALSA-2021:4130)
9 Feb 202200:00
–nessus
Tenable Nessus		CentOS 8 : firefox (CESA-2021:4123)
9 Nov 202100:00
–nessus
Tenable Nessus		CentOS 8 : thunderbird (CESA-2021:4130)
9 Nov 202100:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2021:4116)
17 Nov 202100:00
–nessus
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Vulners
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mozillafirefoxRange<91.3esr

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02 Nov 2021 00:00Current
8High risk
Vulners AI Score8
CVSS 27.5
CVSS 3.110
EPSS0.01293
firefoxsecurity vulnerabilitiesesr 91.3iframe sandboxuse-after-freecloud clipboardfullscreen modehttp2form messagejavascript dialog.inetloc file
42