CVE-2022-40957
First published: Tue Sep 20 2022(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <102.3 | 102.3 |
| <105 | 105 | |
| <102.3 | 102.3 | |
| <102.3 | 102.3 | |
| Mozilla Firefox | <105.0 | |
| Mozilla Firefox ESR | <102.3 | |
| Mozilla Thunderbird | <102.3 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1777604
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-42/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-40/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-41/
- https://www.mozilla.org/security/advisories/mfsa2022-40/
- https://www.mozilla.org/security/advisories/mfsa2022-41/
- https://www.mozilla.org/security/advisories/mfsa2022-42/
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.
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