openSUSE Security Update: Security update for MozillaFirefox ______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:1884-1 Rating: important References: #1185633 #1186696 Cross-References: CVE-2021-29951 CVE-2021-29964 CVE-2021-29967

CVSS scores: CVE-2021-29951 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2021-29951 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 78.11.0 ESR (bsc#1186696)

* CVE-2021-29964: Out of bounds-read when parsing a `WM_COPYDATA` message * CVE-2021-29967: Memory safety bugs fixed in Firefox

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-15.3-2021-1884=1

Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

MozillaFirefox-78.11.0-8.43.1 MozillaFirefox-branding-upstream-78.11.0-8.43.1 MozillaFirefox-debuginfo-78.11.0-8.43.1 MozillaFirefox-debugsource-78.11.0-8.43.1 MozillaFirefox-devel-78.11.0-8.43.1 MozillaFirefox-translations-common-78.11.0-8.43.1 MozillaFirefox-translations-other-78.11.0-8.43.1

- openSUSE Leap 15.3 (x86_64):

MozillaFirefox-buildsymbols-78.11.0-8.43.1

References:

https://www.suse.com/security/cve/CVE-2021-29951.html https://www.suse.com/security/cve/CVE-2021-29964.html https://www.suse.com/security/cve/CVE-2021-29967.html https://bugzilla.suse.com/1185633 https://bugzilla.suse.com/1186696