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CVE-2017-7800 A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the…
Description
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 52.3 | earliest → < 52.3 | 52.3 |
| Firefox ESR 52.3 | earliest → < 52.3 | 52.3 |
| Firefox 55 | earliest → < 55 | 55 |
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