CVE-2026-5732
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- CVE-2026-5732
CVE Details
| Release Date: | 2026-04-07 | |
| Impact: | Important | What is this? |
Description
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
See more information about CVE-2026-5732 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: | 8.8 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| 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-2026-7672 | 2026-04-13 |
| Oracle Linux version 8 (firefox) | ELSA-2026-8052 | 2026-04-14 |
| Oracle Linux version 9 (firefox) | ELSA-2026-7671 | 2026-04-13 |
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