Security update for MozillaFirefox SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2021:14684-1 Final 1 1 2021-04-01T09:18:18Z current 2021-04-01T09:18:18Z 2021-04-01T09:18:18Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for MozillaFirefox This update for MozillaFirefox fixes the following issues: - Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942) * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Malicious extensions could have spoofed popup information * CVE-2021-23987: Memory safety bugs The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). slessp4-MozillaFirefox-14684 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2021/suse-su-202114684-1/ Link for SUSE-SU-2021:14684-1 https://lists.suse.com/pipermail/sle-security-updates/2021-April/008575.html E-Mail link for SUSE-SU-2021:14684-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1183942 SUSE Bug 1183942 https://www.suse.com/security/cve/CVE-2021-23981/ SUSE CVE CVE-2021-23981 page https://www.suse.com/security/cve/CVE-2021-23982/ SUSE CVE CVE-2021-23982 page https://www.suse.com/security/cve/CVE-2021-23984/ SUSE CVE CVE-2021-23984 page https://www.suse.com/security/cve/CVE-2021-23987/ SUSE CVE CVE-2021-23987 page SUSE Linux Enterprise Server 11 SP4-LTSS MozillaFirefox-78.9.0-78.123.1 MozillaFirefox-translations-common-78.9.0-78.123.1 MozillaFirefox-translations-other-78.9.0-78.123.1 MozillaFirefox-78.9.0-78.123.1 as a component of SUSE Linux Enterprise Server 11 SP4-LTSS MozillaFirefox-translations-common-78.9.0-78.123.1 as a component of SUSE Linux Enterprise Server 11 SP4-LTSS MozillaFirefox-translations-other-78.9.0-78.123.1 as a component of SUSE Linux Enterprise Server 11 SP4-LTSS A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. CVE-2021-23981 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.9.0-78.123.1 important 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2021/suse-su-202114684-1/ https://www.suse.com/security/cve/CVE-2021-23981.html CVE-2021-23981 https://bugzilla.suse.com/1183942 SUSE Bug 1183942 Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. CVE-2021-23982 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.9.0-78.123.1 important 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2021/suse-su-202114684-1/ https://www.suse.com/security/cve/CVE-2021-23982.html CVE-2021-23982 https://bugzilla.suse.com/1183942 SUSE Bug 1183942 A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. CVE-2021-23984 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.9.0-78.123.1 important 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2021/suse-su-202114684-1/ https://www.suse.com/security/cve/CVE-2021-23984.html CVE-2021-23984 https://bugzilla.suse.com/1183942 SUSE Bug 1183942 Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. CVE-2021-23987 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-common-78.9.0-78.123.1 SUSE Linux Enterprise Server 11 SP4-LTSS:MozillaFirefox-translations-other-78.9.0-78.123.1 important 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2021/suse-su-202114684-1/ https://www.suse.com/security/cve/CVE-2021-23987.html CVE-2021-23987 https://bugzilla.suse.com/1183942 SUSE Bug 1183942