Receiving a large text message containing URLs in WhatsApp for iOS prior to v2.20.91.4 could have caused the application to freeze while processing the message.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1901
Reference (s):
- https://www.whatsapp.com/security/advisories/2020/
- URL: https://www.whatsapp.com/security/advisories/2020/