GHSA-h42x-74c2-hxvc
GitHub Security Advisory
⚠ Unreviewed
HIGH
Has CVE
Advisory Details
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Related CVEs
Key Information
7.5
/10
Dataset
Last updated: November 26, 2025 6:30 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.