QID 174913

Date Published: 2021-04-07

QID 174913: SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:1007-1)

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

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:1007-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1007-1 - lists.suse.com/pipermail/sle-security-updates/2021-April/008579.html

CVEs related to QID 174913

CVE-2021-23981 | CVE-2021-23987 | CVE-2021-23984 | CVE-2021-23982 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1007-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-April/008579.html

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