CVE-2018-6339
9.8 · CRITICALOverview
CVE-2018-6339 is a critical-severity vulnerability affecting whatsapp whatsapp. It was published on June 14, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the allocated space on the stack. This issue affects WhatsApp for Android starting in version 2.18.180 and was fixed in version 2.18.295. It also affects WhatsApp Business for Android starting in version v2.18.103 and was fixed in version v2.18.150.
Remediation
Check the references section for vendor advisories and patches from whatsapp. Update whatsapp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| >= 2.18.180, < 2.18.295 | Affected | ||
| whatsapp_business | >= 2.18.103, < 2.18.150 | Affected |
Frequently Asked Questions
What is CVE-2018-6339?
CVE-2018-6339 is a critical-severity vulnerability affecting whatsapp whatsapp. It was published on June 14, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-6339?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-6339?
Check the references section for vendor advisories and patches from whatsapp. Update whatsapp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-6339?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-6339 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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