An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-9063 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 3.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss EWS 2 | expat | Will not fix |
| Red Hat JBoss EAP 6 | httpd | Will not fix |
| Red Hat Enterprise Linux 7 | firefox | Not affected |
| Red Hat Enterprise Linux 7 | expat | Will not fix |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected |
| Red Hat Enterprise Linux 6 | firefox | Not affected |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected |
| Red Hat Enterprise Linux 6 | expat | Will not fix |
| Red Hat Enterprise Linux 6 | compat-expat1 | Will not fix |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected |
| Red Hat Enterprise Linux 5 | expat | Will not fix |
| Red Hat Enterprise Linux 5 | firefox | Not affected |
| RHEV Manager 3 | mingw-virt-viewer | Will not fix |
Vulmon