Memory safety bugs present in Firefox 118. 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 < 119.

Related CVEs

CVE-2023-5731

Key Information

GHSA ID

GHSA-65rf-w3qg-h7vh

Published

October 25, 2023 6:32 PM

Last Modified

November 1, 2023 9:30 PM

CVSS Score

9.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 14, 2025 6:31 AM

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