RHSA-2022:0845: Important: thunderbird security update
First published: Mon Mar 14 2022(Updated: )
Mozilla Thunderbird is a standalone mail and newsgroup client.<br>This update upgrades Thunderbird to version 91.7.0.<br>Security Fix(es):<br><li> Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)</li> <li> Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)</li> <li> expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)</li> <li> expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)</li> <li> expat: Integer overflow in storeRawNames() (CVE-2022-25315)</li> <li> Mozilla: Use-after-free in text reflows (CVE-2022-26381)</li> <li> Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)</li> <li> Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)</li> <li> Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)</li> <li> thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)</li> <li> Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/thunderbird | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debuginfo | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debugsource | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debuginfo | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debugsource | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debuginfo | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird-debugsource | <91.7.0-2.el8_5 | 91.7.0-2.el8_5 |
| redhat/thunderbird | <91.7.0-2.el8_5.aa | 91.7.0-2.el8_5.aa |
| redhat/thunderbird-debuginfo | <91.7.0-2.el8_5.aa | 91.7.0-2.el8_5.aa |
| redhat/thunderbird-debugsource | <91.7.0-2.el8_5.aa | 91.7.0-2.el8_5.aa |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2022:0845?
The severity of RHSA-2022:0845 is classified as critical due to the use-after-free vulnerabilities that can lead to code execution.
How do I fix RHSA-2022:0845?
You can fix RHSA-2022:0845 by upgrading to Mozilla Thunderbird version 91.7.0-2.el8_5.
What vulnerabilities are addressed in RHSA-2022:0845?
RHSA-2022:0845 addresses use-after-free vulnerabilities in XSLT parameter processing and WebGPU IPC Framework.
Which versions of Thunderbird are affected by RHSA-2022:0845?
Versions of Thunderbird prior to 91.7.0-2.el8_5 are affected by RHSA-2022:0845.
Is there a way to verify if my Thunderbird is affected by RHSA-2022:0845?
You can verify if your Thunderbird is affected by checking its version against the fixed version of 91.7.0-2.el8_5.
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