CVE-2016-9893

Impact:
Critical
Public Date:
2016-12-14
Bugzilla:
1404096: CVE-2016-9893 Mozilla: Memory safety bugs fixed in Firefox 50.1 and Firefox ESR 45.6 (MFSA 2016-95)

The MITRE CVE dictionary describes this issue as:

Memory safety bugs were reported in Thunderbird 45.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Find out more about CVE-2016-9893 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

CVSS v3 metrics

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).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 6 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux 5 (firefox) RHSA-2016:2946 2016-12-14
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2016:2973 2016-12-21
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2016:2973 2016-12-21

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jan de Mooij, Iris Hsiao, Christian Holler, Carsten Book, Timothy Nikkel, Christoph Diehl, Olli Pettay, Raymond Forbes, and Boris Zbarsky as the original reporters.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation