Detections
Analytics
CVE-2019-11757
high
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.
References
https://www.mozilla.org/security/advisories/mfsa2019-35/
https://www.mozilla.org/security/advisories/mfsa2019-34/
https://www.mozilla.org/security/advisories/mfsa2019-33/
https://usn.ubuntu.com/4335-1/