What is CVE-2018-6339?

CVE-2018-6339 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-06-14.

How severe is CVE-2018-6339?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Facebook Whatsapp Business For Android

CVE-2018-6339

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 affec…

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Facebook Whatsapp Business For Android — versions 2.18.150, 2.18.103, unspecified
Facebook Whatsapp For Android — versions 2.18.295, 2.18.180, unspecified
Whatsapp
Whatsapp Whatsapp_business

Weakness classification (CWE)

References

cve-assign@fb.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-6339?: CVE-2018-6339 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-06-14.
How severe is CVE-2018-6339?: Critical severity. CVSS v3 base score is 9.8 out of 10.