The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-4487 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 5 (thunderbird) | RHSA-2015:1682 | 2015-08-25 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) | RHSA-2015:1682 | 2015-08-25 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2015:1682 | 2015-08-25 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2015:1586 | 2015-08-11 |
| Red Hat Enterprise Linux 5 (firefox) | RHSA-2015:1586 | 2015-08-11 |
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2015:1682 | 2015-08-25 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2015:1586 | 2015-08-11 |
Vulmon