A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an…

Description

A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call.

Scores

EPSS (exploitation in 30 days)

1.2% · top 31% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (opens in a new tab)All about CWE-120 and its CVEs
• CWE-787 (opens in a new tab)All about CWE-787 and its CVEs

Affected products

• Facebook · WhatsApp for Android

  • affected 2.20.11
  • affected unspecified – < 2.20.11

• Facebook · WhatsApp Business for Android

  • affected 2.20.2
  • affected unspecified – < 2.20.2

References (1)

• https://www.whatsapp.com/security/advisories/2020 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-1886](https://trackcve.app/badge/CVE-2020-1886.svg)](https://trackcve.app/cve/CVE-2020-1886)

Record last updated 4 Aug 2024, 06:53 UTC.