CVE-2022-40957: Medium severity thunderbird vulnerability
Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<br>This bug only affects Firefox on ARM64 platforms.. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
Other sources
Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.This bug only affects Firefox on ARM64 platforms.
— Mozilla
Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.This bug only affects Thunderbird on ARM64 platforms.
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2022-40957?
CVE-2022-40957 is a vulnerability that affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105, which can lead to a potentially exploitable crash due to inconsistent data in instruction and data cache when creating wasm code.
Which platforms are affected by CVE-2022-40957?
Only Firefox on ARM64 platforms is affected by CVE-2022-40957.
What is the severity level of CVE-2022-40957?
CVE-2022-40957 has a severity level of medium with a CVSS score of 6.5.
How can I fix CVE-2022-40957?
To fix CVE-2022-40957, update your Firefox ESR to version 102.3 or later, Thunderbird to version 102.3 or later, or Firefox to version 105 or later.
Where can I find more information about CVE-2022-40957?
You can find more information about CVE-2022-40957 on the Mozilla Bugzilla page and the Mozilla Security Advisories page.