description: A use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including receiving an animated sticker while placing a WhatsApp video call on hold.
problem types: CWE-416: Use After Free
affected:
{
product: WhatsApp Business for iOS
vendor: Facebook
versions:
status: affected, version: 2.20.111
lessThan: 2.20.111, status: affected, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 2.20.81, versionType: custom
}
{
product: WhatsApp for iOS
vendor: Facebook
versions:
status: affected, version: 2.20.111
lessThan: 2.20.111, status: affected, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 2.20.81, versionType: custom
}
