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CVE-2019-17011

Description

Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

POC

Reference

- https://www.mozilla.org/security/advisories/mfsa2019-38/

Github

No PoCs found on GitHub currently.