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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-01-08T19:26:23

Updated: 2024-08-04T23:03:32.724Z

Reserved: 2019-05-03T00:00:00

Link: CVE-2019-11757

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-08T20:15:12.453

Modified: 2024-11-21T04:21:43.957

Link: CVE-2019-11757

cve-icon Redhat

Severity : Important

Publid Date: 2019-10-22T00:00:00Z

Links: CVE-2019-11757 - Bugzilla