Medium severity5.5NVD Advisory· Published Oct 6, 2020· Updated Jun 17, 2026
CVE-2020-1903
CVE-2020-1903
Description
An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.
Affected products
4- Range: <2.20.61
- Range: 2.20.61
- Range: 2.20.61
Patches
Vulnerability mechanics
References
1- www.whatsapp.com/security/advisories/2020/nvdVendor Advisory
News mentions
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