GHSA-2j9v-7pmx-33wm
GitHub Security Advisory
⚠ Unreviewed
HIGH
Has CVE
Advisory Details
A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
Related CVEs
Key Information
7.5
/10
Dataset
Last updated: November 25, 2025 6:29 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.