If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Related CVEs

CVE-2022-45406

Key Information

GHSA ID

GHSA-h3mp-j53v-44vx

Published

December 22, 2022 9:30 PM

Last Modified

April 15, 2025 3:30 PM

CVSS Score

9.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: November 26, 2025 6:30 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.