A firefox security update has been released for AlmaLinux.
ALSA-2021:4123 Important: firefox security update
Type:
security
Severity:
important
Release date:
2021-11-05
Description
This update upgrades Firefox to version 91.3.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in HTTP2 Session object
* Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3
* Mozilla: iframe sandbox rules did not apply to XSLT stylesheets (CVE-2021-38503)
* Mozilla: Use-after-free in file picker dialog (CVE-2021-38504)
* Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning (CVE-2021-38506)
* Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports (CVE-2021-38507)
* Mozilla: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing (CVE-2021-38508)
* Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain (CVE-2021-38509)
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.
References:
CVE-2021-38503
CVE-2021-38504
CVE-2021-38506
CVE-2021-38507
CVE-2021-38508
CVE-2021-38509
Updates packages:
firefox-91.3.0-1.el8_4.alma.x86_64.rpm
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
