Vulnerabilities > Mozilla > Firefox > 21.0
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-12-19 | CVE-2023-6856 | Out-of-bounds Write vulnerability in multiple products The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. | 8.8 |
| 2023-12-19 | CVE-2023-6857 | Race Condition vulnerability in multiple products When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. | 5.3 |
| 2023-12-19 | CVE-2023-6858 | Out-of-bounds Write vulnerability in multiple products Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. | 8.8 |
| 2023-12-19 | CVE-2023-6859 | Use After Free vulnerability in multiple products A use-after-free condition affected TLS socket creation when under memory pressure. | 8.8 |
| 2023-12-19 | CVE-2023-6860 | The `VideoBridge` allowed any content process to use textures produced by remote decoders. | 6.5 |
| 2023-12-19 | CVE-2023-6861 | Out-of-bounds Write vulnerability in multiple products The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. | 8.8 |
| 2023-12-19 | CVE-2023-6863 | The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. | 8.8 |
| 2023-12-19 | CVE-2023-6864 | Out-of-bounds Write vulnerability in multiple products Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. | 8.8 |
| 2023-12-19 | CVE-2023-6865 | `EncryptingOutputStream` was susceptible to exposing uninitialized data. | 6.5 |
| 2023-12-19 | CVE-2023-6866 | Improper Handling of Exceptional Conditions vulnerability in Mozilla Firefox TypedArrays can be fallible and lacked proper exception handling. | 8.8 |