RHSA-2022:0131 — Security Advisory
Red Hat Security Advisory: thunderbird security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · January 12, 2022
Updated · November 22, 2025
Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 91.5.0.
Security Fix(es):
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Mozilla: Iframe sandbox bypass with XSLT (CVE-2021-4140)
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Mozilla: Race condition when playing audio files (CVE-2022-22737)
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Mozilla: Heap-buffer-overflow in blendGaussianBlur (CVE-2022-22738)
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Mozilla: Use-after-free of ChannelEventQueue::mOwner (CVE-2022-22740)
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Mozilla: Browser window spoof using fullscreen mode (CVE-2022-22741)
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Mozilla: Out-of-bounds memory access when inserting text in edit mode (CVE-2022-22742)
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Mozilla: Browser window spoof using fullscreen mode (CVE-2022-22743)
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Mozilla: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5 (CVE-2022-22751)
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Mozilla: Leaking cross-origin URLs through securitypolicyviolation event (CVE-2022-22745)
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Mozilla: Spoofed origin on external protocol launch dialog (CVE-2022-22748)
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Mozilla: Missing throttling on external protocol launch dialog (CVE-2022-22739)
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Mozilla: Crash when handling empty pkcs7 sequence (CVE-2022-22747)
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.