CVE-2026-8391
- EPSS 0.3%
- Veröffentlicht 12.05.2026 12:36:15
- Zuletzt bearbeitet 30.06.2026 03:21:42
- Quelle security@mozilla.org
- CVE-Watchlists
- Unerledigt
LoginOther issue in the JavaScript Engine component
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.3% | 0.214 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 5.3 | 3.9 | 1.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
|
| 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | 7.5 | 1.6 | 5.9 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
|
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
The behavior of this function is undefined unless its control parameter is set to a specific value.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.