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almalinuxAlmaLinuxALSA-2021:0990
HistoryMar 25, 2021 - 11:30 a.m.

Important: firefox security update

2021-03-2511:30:19
errata.almalinux.org
15

0.003 Low

EPSS

Percentile

67.8%

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.9.0 ESR.

Security Fix(es):

  • Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read (CVE-2021-23981)

  • Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9 (CVE-2021-23987)

  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2021-23982)

  • Mozilla: Malicious extensions could have spoofed popup information (CVE-2021-23984)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
almalinux8x86_64firefox< 78.9.0-1.el8_3.almafirefox-78.9.0-1.el8_3.alma.x86_64.rpm