RHSA-2022:0853: Important: thunderbird security update
Mozilla Thunderbird is a standalone mail and newsgroup client.This update upgrades Thunderbird to version 91.7.0.Security Fix(es): Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485) Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486) expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235) expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236) expat: Integer overflow in storeRawNames() (CVE-2022-25315) Mozilla: Use-after-free in text reflows (CVE-2022-26381) Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383) Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384) Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387) thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566) Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386) 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-2022:0853?
RHSA-2022:0853 is classified as a moderate vulnerability affecting Mozilla Thunderbird.
How do I fix RHSA-2022:0853?
To fix RHSA-2022:0853, upgrade Mozilla Thunderbird to version 91.7.0-2.el8_4.
What are the vulnerabilities addressed in RHSA-2022:0853?
RHSA-2022:0853 addresses use-after-free vulnerabilities found in XSLT parameter processing and WebGPU IPC Framework.
Which versions of Thunderbird are affected by RHSA-2022:0853?
Versions of Thunderbird prior to 91.7.0-2.el8_4 are affected by RHSA-2022:0853.
Is RHSA-2022:0853 applicable to all operating systems?
RHSA-2022:0853 specifically affects Red Hat Enterprise Linux environments where Thunderbird is deployed.