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CVE-2025-5263

CVE Details

Release Date:2025-05-27
Impact:Moderate What is this?

Description


Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

See more information about CVE-2025-5263 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


PlatformErrataRelease Date
Oracle Linux version 7 (firefox) ELSA-2025-90742025-06-23
Oracle Linux version 8 (firefox) ELSA-2025-83082025-05-29
Oracle Linux version 8 (thunderbird) ELSA-2025-87562025-06-10
Oracle Linux version 9 (firefox) ELSA-2025-82932025-05-29
Oracle Linux version 9 (thunderbird) ELSA-2025-86072025-06-06


This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:

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