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SUSE: 2021:14657-2 Critical: Firefox Buffer Overflow Vulnerabilities

suse
Calendar Grey March 1, 2021
Dist Suse Esm H88
SUSE has released a critical security patch for vulnerabilities found in Firefox, providing enhancements for memory protection and safeguarding content security.
An update that fixes four vulnerabilities is now available

Summary

This update for MozillaFirefox fixes the following issues: - Firefox Extended Support Release 78.8.0 ESR * Fixed: Various stability, functionality, and security fixes MFSA 2021-08 (bsc#1182614) * CVE-2021-23969: Content Security Policy violation report could have contained the destination of a redirect * CVE-2021-23968: Content Security Policy violation report could have contained the destination of a redirect * CVE-2021-23973: MediaError message property could have leaked information about cross-origin resources * CVE-2021-23978: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 Patch Instructions: To install this SUSE 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:

Topics%20covered

Topics Covered

security advisory security fix important firefox suse memory safety content security

References

#1182357 #1182614

Cross- CVE-2021-23968 CVE-2021-23969 CVE-2021-23973

CVE-2021-23978

CVSS scores:

CVE-2021-23968 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2021-23969 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2021-23973 (SUSE): 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CVE-2021-23978 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Debuginfo 11-SP4

https://www.suse.com/security/cve/CVE-2021-23968.html

https://www.suse.com/security/cve/CVE-2021-23969.html

https://www.suse.com/security/cve/CVE-2021-23973.html

https://www.suse.com/security/cve/CVE-2021-23978.html

https://bugzilla.suse.com/1182357

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:14657-1
Rating: important

Topics%20covered

Topics Covered

security advisory security fix important firefox suse memory safety content security

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