#VU96942 Use-after-free in Mozilla Thunderbird - CVE-2024-8394


Vulnerability identifier: #VU96942

Vulnerability risk: Low

CVSSv4.0: [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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: 128.0 - 128.1.1


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


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.


Latest bulletins with this vulnerability