ALSA-2022:0818: firefox security update

ALSA-2022:0818, released March 10, 2022, fixes 10 CVEs in firefox (version 91.7.0-3.el8_5.alma). 2 of them are being exploited (CVE-2022-26485); 2 on CISA KEV. Patch Radar priority: Patch now.

Patch now2 on CISA KEV

CVEs closed

7 rated Critical

Exploited

CVE-2022-26485

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.3527

98th percentile

Priority of the 10 CVEs

Patch now 2
                                Urgent 5
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
firefox	almalinux 8	91.7.0-3.el8_5.alma

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2022-26485	Mozilla Firefox Use-After-Free Vulnerability	9.8	0.1426	KEVExploited
Patch now	CVE-2022-26486	Mozilla Firefox Use-After-Free Vulnerability	9.8	0.0236	KEVExploited
Urgent	CVE-2022-26384	Mozilla Thunderbird and 4 others: Protection Mechanism Failure	9.8	0.0097	None reported
Urgent	CVE-2022-26381	Mozilla Thunderbird and 4 others: Use After Free	9.8	0.0087	None reported
Urgent	CVE-2022-26383	Mozilla Thunderbird and 4 others: User Interface (UI) Misrepresentation of Critical Information	9.8	0.0073	None reported
Urgent	CVE-2022-26386	firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This...	9.8	0.0071	None reported
Urgent	CVE-2022-26387	Mozilla Thunderbird and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition	9.8	0.0066	None reported
High	CVE-2022-25236	libxmltok1: xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namesp...	9.8	0.3527	None reported
High	CVE-2022-25235	libxmltok1: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a...	9.8	0.0496	None reported
High	CVE-2022-25315	expat: In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.	9.8	0.0482	None reported

Also fixes CVE-2022-26485

firefox 1:1snap1-0ubuntu1
firefox on Ubuntu 22.04.1 LTS (jammy)
RHSA-2022:0845
thunderbird on RHEL 8
RHSA-2022:0818
firefox on RHEL 8
ALSA-2022:0845
thunderbird on almalinux 8
RLSA-2022:0845
thunderbird on rocky 8
ELSA-2022-0845
thunderbird on ol 8
RLSA-2022:0818
firefox on rocky 8
ELSA-2022-0818
firefox on ol 8

Vendor advisory

https://osv.dev/vulnerability/ALSA-2022:0818

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/alsa-2022-0818">ALSA-2022:0818 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.