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CVE-2019-11757 When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and…
Description
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox | Versions not published | |
| Thunderbird | Versions not published | |
| Firefox ESR | Versions not published |
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