CVE-2019-9821 (NVD)

2019-07-23

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.

Products Firefox
Type Use After Free (CWE-416)
First patch - None (likely due to unavailable code)
Links https://www.mozilla.org/security/advisories/mfsa2019-13/
https://bugzilla.mozilla.org/show_bug.cgi?id=1539125