KLA12547
Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, cause denial of service, spoof user interface, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Denial of service vulnerability can be exploited to cause denial of service.
2. Security vulnerability can be exploited to bypass security restrictions.
3. Heap buffer overflow vulnerability in WebGL can be exploited to cause denial of service.
4. Denial of service vulnerability in WASM on arm64 can be exploited to cause denial of service.
5. Spoof user interface vulnerability in fullscreen mode can be exploited to spoof user interface.
6. Obtain sensitive information vulnerability in WebAuthn token can be exploited to obtain sensitive information.
7. Denial of service vulnerability can be exploited to cause denial of service or execute arbitrary code.

Mozilla Thunderbird earlier than 91.10

Update to the latest version
Download Thunderbird

MFSA2022-22