Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-4492 from the MITRE CVE dictionary dictionary and NIST NVD.
Base Score | 5.1 |
---|---|
Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | High |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Errata | Release Date |
---|---|---|
Red Hat Enterprise Linux 7 (firefox) | RHSA-2015:1586 | 2015-08-11 |
Red Hat Enterprise Linux 6 (firefox) | RHSA-2015:1586 | 2015-08-11 |
Red Hat Enterprise Linux 5 (firefox) | RHSA-2015:1586 | 2015-08-11 |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | thunderbird | Not affected |
Red Hat Enterprise Linux 6 | thunderbird | Not affected |
Red Hat Enterprise Linux 5 | thunderbird | Not affected |