vulnerability
MFSA2016-31 Thunderbird: Memory corruption with malicious NPAPI plugin (CVE-2016-1966)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Mar 13, 2016 | Mar 16, 2016 | Mar 27, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Mar 13, 2016
Added
Mar 16, 2016
Modified
Mar 27, 2026
Description
The nsNPObjWrapper::GetNewOrUsed function in dom/plugins/base/nsJSNPRuntime.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (invalid pointer dereference and memory corruption) via a crafted NPAPI plugin.
Solution
mozilla-thunderbird-upgrade-38_7
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.