GHSA-gr4h-9jxj-93vm
GitHub Security Advisory
⚠ Unreviewed
HIGH
Has CVE
Advisory Details
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
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.