openSUSE-SU-2021:3993-1: important: Security update for MozillaFirefox
openSUSE Security Update: Security update for MozillaFirefox
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Announcement ID: openSUSE-SU-2021:3993-1
Rating: important
References: #1193321 #1193485
Cross-References: CVE-2021-43536 CVE-2021-43537 CVE-2021-43538
CVE-2021-43539 CVE-2021-43541 CVE-2021-43542
CVE-2021-43543 CVE-2021-43545 CVE-2021-43546
CVSS scores:
CVE-2021-43537 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-43541 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVE-2021-43542 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Products:
openSUSE Leap 15.3
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An update that fixes 9 vulnerabilities is now available.
Description:
This update for MozillaFirefox fixes the following issues:
Update to Extended Support Release 91.4.0 (bsc#1193485):
- CVE-2021-43536: URL leakage when navigating while executing asynchronous
function
- CVE-2021-43537: Heap buffer overflow when using structured clone
- CVE-2021-43538: Missing fullscreen and pointer lock notification when
requesting both
- CVE-2021-43539: GC rooting failure when calling wasm instance methods
- CVE-2021-43541: External protocol handler parameters were unescaped
- CVE-2021-43542: XMLHttpRequest error codes could have leaked the
existence of an external protocol handler
- CVE-2021-43543: Bypass of CSP sandbox directive when embedding
- CVE-2021-43545: Denial of Service when using the Location API in a loop
- CVE-2021-43546: Cursor spoofing could overlay user interface when native
cursor is zoomed
- Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
- Removed x-scheme-handler/ftp from MozillaFirefox.desktop (bsc#1193321)
Patch Instructions:
To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- openSUSE Leap 15.3:
zypper in -t patch openSUSE-SLE-15.3-2021-3993=1
Package List:
- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):
MozillaFirefox-91.4.0-152.9.1
MozillaFirefox-branding-upstream-91.4.0-152.9.1
MozillaFirefox-debuginfo-91.4.0-152.9.1
MozillaFirefox-debugsource-91.4.0-152.9.1
MozillaFirefox-devel-91.4.0-152.9.1
MozillaFirefox-translations-common-91.4.0-152.9.1
MozillaFirefox-translations-other-91.4.0-152.9.1
References:
https://www.suse.com/security/cve/CVE-2021-43536.html
https://www.suse.com/security/cve/CVE-2021-43537.html
https://www.suse.com/security/cve/CVE-2021-43538.html
https://www.suse.com/security/cve/CVE-2021-43539.html
https://www.suse.com/security/cve/CVE-2021-43541.html
https://www.suse.com/security/cve/CVE-2021-43542.html
https://www.suse.com/security/cve/CVE-2021-43543.html
https://www.suse.com/security/cve/CVE-2021-43545.html
https://www.suse.com/security/cve/CVE-2021-43546.html
https://bugzilla.suse.com/1193321
https://bugzilla.suse.com/1193485
A MozillaFirefox security update has been released for openSUSE Leap 15.3.
