CVE-2019-11757

When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it

published January 8, 2020

CVSS
—
EPSS
1%
Percentile
70.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01330 · 70.8th percentile
Published
2020-01-08T19:26Z
EPSS history
Timeline
  • 08 JAN 19:26Z
    When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it
    cvelistv5