Vulnerability identifier: #VU96942

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-8394

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Thunderbird
Client/Desktop applications / Messaging software

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when aborting verification of an OTR chat session. A remote attacker can crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Thunderbird: 128.1.0 - 128.1.1, 128.0 - 128.0.1

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External links
http://bugzilla.mozilla.org/show_bug.cgi?id=1895737
http://www.mozilla.org/security/advisories/mfsa2024-43/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.