Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||6.1||Base Metrics:||AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N|
|Access Vector:||Network||Attack Complexity:||Low|
|Privileges Required:||None||User Interaction:||Required|
|Integrity Impact:||Low||Availability Impact:||None|
|Oracle Linux version 6 (firefox)||ELSA-2020-5257||2020-12-01|
|Oracle Linux version 6 (thunderbird)||ELSA-2020-5238||2020-12-01|
|Oracle Linux version 7 (firefox)||ELSA-2020-5239||2020-12-01|
|Oracle Linux version 7 (thunderbird)||ELSA-2020-5235||2020-12-01|
|Oracle Linux version 8 (firefox)||ELSA-2020-5237||2020-12-01|
|Oracle Linux version 8 (thunderbird)||ELSA-2020-5236||2020-12-01|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team