RLSA-2022:4776 — Critical: firefox security update

Summary

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

This update upgrades Firefox to version 91.9.1 ESR.

Security Fix(es):

* Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution (CVE-2022-1529)

* Mozilla: Prototype pollution in Top-Level Await implementation (CVE-2022-1802)

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
Rocky Linux · 8	firefox	0:91.9.1-1.el8_6

Vulnerabilities 2

High 8.8

CVE-2022-1529 EPSS 18%

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScr…

Mozilla Firefox Thunderbird Firefox ESR Android Browsers Debian Ubuntu Alpine

Dec 22, 2022
High 8.8

CVE-2022-1802 Public exploit EPSS 28%

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could hav…

Mozilla Firefox Thunderbird Firefox ESR Android Browsers Debian Ubuntu Alpine

Dec 22, 2022

References

report
https://bugzilla.redhat.com/show_bug.cgi?id=2089217
report
https://bugzilla.redhat.com/show_bug.cgi?id=2089218

Critical: firefox security update

Summary

Fixed packages 1

Vulnerabilities 2

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScr…

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could hav…

References