GHSA-9m53-4c27-h8f5
GitHub Security Advisory
⚠ Unreviewed
CRITICAL
Has CVE
Advisory Details
A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
Related CVEs
Key Information
9.0
/10
Dataset
Last updated: June 12, 2025 6:24 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.