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CVE-2024-1936

7.5 · HIGH

The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache.

Published Mar 4, 2024CWE-922EPSS 0.68%

Overview

CVE-2024-1936 is a high-severity vulnerability. It was published on March 4, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1860977Reflists.debian.org/debian-lts-announce/2024/03/msg00022.htmlRefwww.mozilla.org/security/advisories/mfsa2024-11/Refbugzilla.mozilla.org/show_bug.cgi?id=1860977Reflists.debian.org/debian-lts-announce/2024/03/msg00022.htmlRefwww.mozilla.org/security/advisories/mfsa2024-11/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-1936?

CVE-2024-1936 is a high-severity vulnerability. It was published on March 4, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-1936?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-1936?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-1936?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-1936 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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