This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Heap-based buffer overflow in Mozilla Thunderbird before 18.104.22.168 and SeaMonkey before 1.1.8 might allow remote attackers to execute arbitrary code via a crafted external-body MIME type in an e-mail message, related to an incorrect memory allocation during message preview.
CVSS 3.x Severity and Metrics:
NVD score not yet provided.
CVSS 2.0 Severity and Metrics: