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The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache. Consequently, when replying to the contaminated email message, the user might accidentally leak the confidential subject to a third-party. While this update fixes the bug and avoids future message contamination, it does not automatically repair existing contaminations. Users are advised to use the repair folder functionality, which is available from the context menu of email folders, which will erase incorrect subject assignments. This vulnerability affects Thunderbird < 115.8.1.
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Mozilla Corporation: https://bugzilla.mozilla.org/show_bug.cgi?id=1860977 Types: Exploit, Issue Tracking, Vendor Advisory
Added
Reference Type
Mozilla Corporation: https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html Types: Mailing List
Added
Reference Type
Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-11/ Types: Vendor Advisory
CVE Modified by Mozilla Corporation11/26/2024 9:15:20 AM
Action
Type
Old Value
New Value
Changed
Description
The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache. Consequently, when replying to the contaminated email message, the user might accidentally leak the confidential subject to a third party. While this update fixes the bug and avoids future message contamination, it does not automatically repair existing contaminations. Users are advised to use the repair folder functionality, which is available from the context menu of email folders, which will erase incorrect subject assignments. This vulnerability affects Thunderbird < 115.8.1.
The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache. Consequently, when replying to the contaminated email message, the user might accidentally leak the confidential subject to a third-party. While this update fixes the bug and avoids future message contamination, it does not automatically repair existing contaminations. Users are advised to use the repair folder functionality, which is available from the context menu of email folders, which will erase incorrect subject assignments. This vulnerability affects Thunderbird < 115.8.1.
CVE Modified by Mozilla Corporation5/14/2024 10:49:58 AM
Action
Type
Old Value
New Value
CVE Modified by Mozilla Corporation3/23/2024 8:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Mozilla Corporation https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html [No types assigned]
New CVE Received from Mozilla Corporation3/04/2024 5:15:46 PM
Action
Type
Old Value
New Value
Added
Description
The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache. Consequently, when replying to the contaminated email message, the user might accidentally leak the confidential subject to a third party. While this update fixes the bug and avoids future message contamination, it does not automatically repair existing contaminations. Users are advised to use the repair folder functionality, which is available from the context menu of email folders, which will erase incorrect subject assignments. This vulnerability affects Thunderbird < 115.8.1.
Added
Reference
Mozilla Corporation https://bugzilla.mozilla.org/show_bug.cgi?id=1860977 [No types assigned]
Added
Reference
Mozilla Corporation https://www.mozilla.org/security/advisories/mfsa2024-11/ [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2024-1936 NVD
Published Date: 03/04/2024 NVD
Last Modified: 06/30/2025
Source: Mozilla Corporation