Note:
This project will be discontinued after December 13, 2021. [more]
2020-01-08
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.
Products | Ubuntu_linux, Firefox, Firefox_esr, Thunderbird |
Type | Use After Free (CWE-416) |
First patch | - None (likely due to unavailable code) |
Links |
• https://www.mozilla.org/security/advisories/mfsa2019-35/
• https://usn.ubuntu.com/4335-1/ • https://security.gentoo.org/glsa/202003-10 • https://www.mozilla.org/security/advisories/mfsa2019-33/ • https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 |