description: A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
problem types: Buffer overflow using computed size of canvas element
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 60, status: affected, version: unspecified, versionType: custom
lessThan: 52.9, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 60.1, status: affected, version: unspecified, versionType: custom
lessThan: 52.9, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 61, status: affected, version: unspecified, versionType: custom
}
