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AUSCERT External Security Bulletin Redistribution
ESB-2022.6657
MFSA 2022-54 Security Vulnerabilities fixed in Thunderbird 102.6.1
22 December 2022
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AusCERT Security Bulletin Summary
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Product: Mozilla Thunderbird
Publisher: Mozilla Foundation
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2022-46874
Original Bulletin:
https://www.mozilla.org/en-US/security/advisories/mfsa2022-54/
Comment: CVSS (Max): 6.1 CVE-2022-46874 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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Mozilla Foundation Security Advisory 2022-54
Security Vulnerabilities fixed in Thunderbird 102.6.1
Announced: December 20, 2022
Impact: high
Products: Thunderbird
Fixed in: Thunderbird 102.6.1
In general, these flaws cannot be exploited through email in the Thunderbird
product because scripting is disabled when reading mail, but are potentially
risks in browser or browser-like contexts.
# CVE-2022-46874: Drag and Dropped Filenames could have been truncated to
malicious extensions
Reporter: Matthias Zoellner
Impact: moderate
Description
A file with a long filename could have had its filename truncated to remove the
valid extension, leaving a malicious extension in its place. This could
potentially led to user confusion and the execution of malicious code.
Note: This issue was originally included in the advisories for Thunderbird
102.6, but a patch (specific to Thunderbird) was omitted, resulting in it
actually being fixed in Thunderbird 102.6.1
References
o Bug 1746139
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