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SUSE: 2021:0659-1 Important: Firefox Memory Safety Issues

suse
Calendar Grey March 1, 2021
Dist Suse Esm H88
A significant SUSE Security Update unveils essential information about updates to MozillaFirefox, including solutions for high-severity vulnerabilities and critical patches.
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 patch important firefox memory safety

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 Module for Desktop Applications 15-SP3

SUSE Linux Enterprise Module for Desktop Applications 15-SP2

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0659-1
Rating: important

Topics%20covered

Topics Covered

security advisory patch important firefox memory safety

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