1. Home
  2. Security Advisories
  3. AlmaLinux OS
  4. ALSA-2021:0990

[ALSA-2021:0990] firefox security update

Severity Important
Affected Packages 1
CVEs 4
Info Packages References Vulnerabilities

An update for firefox is now available for AlmaLinux AlmaLinux Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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.

Package Affected Version
pkg:rpm/almalinux/firefox?arch=x86_64&distro=almalinux-8.3 < 78.9.0-1.el8_3.alma
ID
ALSA-2021:0990
Severity
important
URL
https://errata.almalinux.org/ALSA-2021:0990.html
Published
2021-03-25T11:30:19
(3 years ago)
Modified
2021-05-04T09:10:37
(3 years ago)
Rights
Copyright 2021 AlmaLinux OS
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:rpm/almalinux/firefox?arch=x86_64&distro=almalinux-8.3 almalinux firefox < 78.9.0-1.el8_3.alma almalinux-8.3 x86_64
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date