CVE-2020-1901

MEDIUM

WhatsApp < 2.20.91.4 - Denial of Service via Large Text Message with URLs

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.whatsapp.com/security/advisories/2020/

Scores

CVSS v3 5.3
EPSS 0.0101
EPSS Percentile 58.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-400
Status published
Products (1)
whatsapp/whatsapp < 2.20.91.4
Published Oct 06, 2020
Tracked Since Feb 18, 2026