|Date: (C)2006-06-02 (M)2017-10-11|
|CVSS Score: 6.4||Access Vector: NETWORK|
|Exploitability Subscore: 10.0||Access Complexity: LOW|
|Impact Subscore: 4.9||Authentication: NONE|
| ||Confidentiality: NONE|
| ||Integrity: PARTIAL|
| ||Availability: PARTIAL|
Double free vulnerability in nsVCard.cpp in Mozilla Thunderbird before 126.96.36.199 and SeaMonkey before 1.0.2 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a VCard that contains invalid base64 characters.