Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4 and Thunderbird < 45.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-5257 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS3 Base Score | 7.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
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-2016:1985 | 2016-10-03 |
| Red Hat Enterprise Linux 5 (firefox) | RHSA-2016:1912 | 2016-09-21 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) | RHSA-2016:1985 | 2016-10-03 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2016:1912 | 2016-09-21 |
| Red Hat Enterprise Linux 5 (thunderbird) | RHSA-2016:1985 | 2016-10-03 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2016:1985 | 2016-10-03 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2016:1912 | 2016-09-21 |
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