CVE-2025-4087
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- CVE-2025-4087
CVE Details
| Release Date: | 2025-04-29 | |
| Impact: | Moderate | What is this? |
Description
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.
See more information about CVE-2025-4087 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: | 7.6 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | Low |
| Integrity Impact: | Low |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2025-4751 | 2025-05-30 |
| Oracle Linux version 8 (firefox) | ELSA-2025-4458 | 2025-05-06 |
| Oracle Linux version 8 (thunderbird) | ELSA-2025-4797 | 2025-05-12 |
| Oracle Linux version 9 (firefox) | ELSA-2025-4443 | 2025-05-05 |
| Oracle Linux version 9 (firefox) | ELSA-2025-7428 | 2025-05-21 |
| Oracle Linux version 9 (thunderbird) | ELSA-2025-4460 | 2025-05-05 |
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