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VULNERABILITIES

CVE-2021-24042 Details

Description

The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.whatsapp.com/security/advisories/2021/ CVENot ApplicableVendor Advisory
https://www.whatsapp.com/security/advisories/2021/ [email protected]Not ApplicableVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]
CWE-122Heap-based Buffer Overflow[email protected]
CWE-787Out-of-bounds WriteCISA-ADP

Affected Products

ProductVersions
whatsapp whatsapp
< 2.21.23
< 2.21.230
< 2.2143
< 2.2146

CPE

  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:-:*
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:android:*:*
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:-:*
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:iphone_os:-:*
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:kaios:*:*
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:desktop:-:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2021-24042
NVD Published Date:
Jan 4, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-24042 Details - Not Deferred