CVE-2020-26976
Public on 2021-01-07
        Modified on 2021-02-19
        
      Description
            
              The Mozilla Foundation Security Advisory describes this flaw as:
When a HTTPS page was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.
          When a HTTPS page was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.
Severity
          
          See what this means
        CVSS v3 Base Score
          
          See breakdown
        Affected Packages
| Platform | Package | Release Date | Advisory | Status | 
|---|---|---|---|---|
| Amazon Linux 2 - Core | thunderbird | 2021-02-20 | ALAS2-2021-1603 | Fixed | 
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | 
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N | 
| NVD | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |