CVE-2026-2764
- ULN >
- Oracle Linux CVE repository >
- CVE-2026-2764
CVE Details
| Release Date: | 2026-02-24 | |
| Impact: | Important | What is this? |
Description
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
See more information about CVE-2026-2764 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (firefox) | ELSA-2026-3361 | 2026-02-26 |
| Oracle Linux version 8 (firefox) | ELSA-2026-3338 | 2026-02-26 |
| Oracle Linux version 9 (firefox) | ELSA-2026-3339 | 2026-02-26 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
- Oracle customers - enter a support request
- Vulnerability scanning tools vendors and project maintainers - follow the standard ISV process
