Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-7197 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | None |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2015:2519 | 2015-11-26 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2015:1982 | 2015-11-04 |
| Red Hat Enterprise Linux 5 (thunderbird) | RHSA-2015:2519 | 2015-11-26 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) | RHSA-2015:2519 | 2015-11-26 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2015:2519 | 2015-11-26 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2015:1982 | 2015-11-04 |
| Red Hat Enterprise Linux 5 (firefox) | RHSA-2015:1982 | 2015-11-04 |
Vulmon