description: Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
problem types: Uninitialized memory in a canvas object could have led to memory corruption
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 78.13, status: affected, version: unspecified, versionType: custom
lessThan: 91, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 78.13, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 91, status: affected, version: unspecified, versionType: custom
}
