1. Home
  2. Security Advisories
  3. AlmaLinux OS
  4. ALSA-2021:5013

[ALSA-2021:5013] firefox security update

Severity Important
Affected Packages 1
CVEs 9
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 Important. 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 91.4.0 ESR.

Security Fix(es):

  • Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4

  • Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

  • Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

  • Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

  • Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

  • Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

  • Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)

  • Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

  • Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

  • Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

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-8.5 < 91.4.0-1.el8_5.alma
ID
ALSA-2021:5013
Severity
important
URL
https://errata.almalinux.org/ALSA-2021:5013.html
Published
2021-12-08T09:42:58
(2 years ago)
Modified
2021-12-08T21:17:36
(2 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-8.5 almalinux firefox < 91.4.0-1.el8_5.alma almalinux-8.5 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