CVE-2020-12417

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially…

published July 9, 2020

CVSS
—
EPSS
3%
Percentile
85.7
In the wild
Unconfirmed
What it is

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02676 · 85.7th percentile
Published
2020-07-09T14:39Z
EPSS history
Timeline
  • 09 JUL 14:39Z
    Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially…
    cvelistv5