Skip to content
  • Home
  • Apps
    • CallingMessagingGroupsStatusChannelsMeta AISecurity
  • Privacy
  • Help Center
  • Blog
  • For Business
Download
Terms & Privacy Policy2026 © WhatsApp LLC
WhatsApp Main PageWhatsApp Main Page
    • Calling

      Stay connected with voice and video.

    • Messaging

      Say it with stickers, voice, GIFs and more.

    • Groups

      Messaging features you need to connect in groups.

    • Channels

      Stay updated on topics you care about.

    • Meta AI

      Get help with anything, all with the safety and privacy on WhatsApp.

    • Status

      Share your everyday with photos, videos and voice notes.

    • Security

      Layers of protection to help you stay safe.

  • Privacy
  • Help Center
  • Blog
  • For Business
  • Apps
Log inDownload

WhatsApp Security Advisories

2023 Updates

CVE-2023-38538

A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.

Acknowledgements: WhatsApp Security Team, Meta SSA Team

CVE-2023-38537

A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilenced incoming audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.

Acknowledgements: WhatsApp Security Team, Meta SSA Team

Download
WhatsApp Main Logo
WhatsApp Main Logo
Download

What we do

  • Features
  • Blog
  • Security
  • For Business

Who we are

  • About us
  • Careers
  • Brand Center
  • Privacy

Use WhatsApp

  • Android
  • iPhone
  • Mac/PC
  • WhatsApp Web

Need help?

  • Contact Us
  • Help Center
  • Apps
  • Security Advisories
Download

2026 © WhatsApp LLC

Terms & Privacy PolicySitemap
ZW5kZW5yYWhheXU5QGdtYWlsLmNvbQ==