| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 60.8.0< 68.0 | 60.8.068.0 |
| thunderbird | < 60.8.0 | 60.8.0 |
A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
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