CVE-2022-40960

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe

Medium · published December 22, 2022

CVSS v3.1
6.5
EPSS
1%
Percentile
64.7
In the wild
Unconfirmed
What it is

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01077 · 64.7th percentile
Published
2022-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    Concurrent use of the URL parser with non-UTF-8 data was not thread-safe
    cvelistv5