CVE-2022-22763

HIGH

Firefox < 96.0, Firefox ESR < 91.6, Thunderbird < 91.6 - Race Condition in Worker Shutdown

Title source: llm
STIX 2.1

Description

When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6.

Scores

CVSS v3 8.8
EPSS 0.0053
EPSS Percentile 67.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-362
Status published
Products (3)
mozilla/firefox < 96.0
mozilla/firefox_esr < 91.6
mozilla/thunderbird < 91.6
Published Dec 22, 2022
Tracked Since Feb 18, 2026