CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-23994
High (8.8) in mozilla. EPSS 1.8% chance of exploitation in the next 30 days.
A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Severity
- EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
- CWE
- CWE-909
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox
- mozilla:firefox_esr
- mozilla:thunderbird