CVE-2023-6212

Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4

published November 21, 2023

CVSS
—
EPSS
1%
Percentile
60.8
In the wild
Unconfirmed
What it is

Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00947 · 60.8th percentile
Published
2023-11-21T14:28Z
EPSS history
Timeline
  • 21 NOV 14:28Z
    Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4
    cvelistv5