CVE-2022-45406: Use After Free
First published: Tue Nov 15 2022(Updated: )
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <102.5 | 102.5 |
| Mozilla Firefox ESR | <102.5 | 102.5 |
| Mozilla Firefox | <107 | 107 |
| Mozilla Firefox | <107.0 | |
| Mozilla Firefox ESR | <102.5 | |
| Mozilla Thunderbird | <102.5 | |
| <107.0 | ||
| <102.5 | ||
| <102.5 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-49/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-47/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-48/
- https://www.mozilla.org/security/advisories/mfsa2022-47/
- https://www.mozilla.org/security/advisories/mfsa2022-48/
- https://www.mozilla.org/security/advisories/mfsa2022-49/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2022-45406?
The severity of CVE-2022-45406 is high with a severity value of 7.
Which software products are affected by CVE-2022-45406?
The software products affected by CVE-2022-45406 are Mozilla Thunderbird (up to version 102.5), Mozilla Firefox ESR (up to version 102.5), and Mozilla Firefox (up to version 107).
How can CVE-2022-45406 be exploited?
CVE-2022-45406 can be exploited through a use-after-free vulnerability caused by a deleted JavaScript realm in a BaseShape object.
What is the remedy for CVE-2022-45406?
The recommended remedy for CVE-2022-45406 is to update Mozilla Thunderbird to version 102.5, Mozilla Firefox ESR to version 102.5, and Mozilla Firefox to version 107.
Are there any references for CVE-2022-45406?
Yes, you can find references for CVE-2022-45406 at the following links: [Mozilla Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1791975), [Mozilla Security Advisory MFSAs](https://www.mozilla.org/en-US/security/advisories/mfsa2022-49/), and [Mozilla Security Advisory MFSAs](https://www.mozilla.org/en-US/security/advisories/mfsa2022-48/).
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