RHSA-2022:0847: Important: thunderbird security update
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
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:0847?
The severity of RHSA-2022:0847 is classified as moderate.
How do I fix RHSA-2022:0847?
To fix RHSA-2022:0847, update Thunderbird to version 91.7.0-2.el8_1 using your package manager.
What vulnerabilities are addressed in RHSA-2022:0847?
RHSA-2022:0847 addresses use-after-free vulnerabilities in XSLT parameter processing and the WebGPU IPC Framework.
Which software is affected by RHSA-2022:0847?
RHSA-2022:0847 affects Thunderbird and its associated packages like thunderbird-debuginfo and thunderbird-debugsource.
Is there a specific version I need for RHSA-2022:0847?
Yes, to mitigate RHSA-2022:0847, you should upgrade to version 91.7.0-2.el8_1 or higher.