Summary
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 91.9.0 ESR.
Security Fix(es):
* Mozilla: Bypassing permission prompt in nested browsing contexts (CVE-2022-29909)
* Mozilla: iframe Sandbox bypass (CVE-2022-29911)
* Mozilla: Fullscreen notification bypass using popups (CVE-2022-29914)
* Mozilla: Leaking browser history with CSS variables (CVE-2022-29916)
* Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9 (CVE-2022-29917)
* Mozilla: Reader mode bypassed SameSite cookies (CVE-2022-29912)
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | firefox | 91.9.0-1.el8_5.alma |
Vulnerabilities 6
-
Critical 9.8
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bu…
-
High 8.8
Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level orig…
-
Medium 6.5
When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have …
-
Medium 6.5
Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. Th…
-
Medium 6.1
An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could…
-
Medium 6.1
Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affe…