CVE-2025-11712
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- CVE-2025-11712
CVE Details
| Release Date: | 2025-10-14 | |
| Impact: | Moderate | What is this? |
Description
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
See more information about CVE-2025-11712 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: | 6.1 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Changed |
| Confidentiality Impact: | Low |
| Integrity Impact: | Low |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (firefox) | ELSA-2025-18154 | 2025-10-16 |
| Oracle Linux version 10 (thunderbird) | ELSA-2025-18320 | 2025-10-20 |
| Oracle Linux version 8 (firefox) | ELSA-2025-18285 | 2025-10-20 |
| Oracle Linux version 9 (firefox) | ELSA-2025-18155 | 2025-10-16 |
| Oracle Linux version 9 (thunderbird) | ELSA-2025-18321 | 2025-10-20 |
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