What is CVE-2018-20655?

CVE-2018-20655 is a critical-severity vulnerability in Facebook Whatsapp Business For Ios, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-06-14.

How severe is CVE-2018-20655?

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

Buffer overflow in Facebook Whatsapp Business For Ios

CVE-2018-20655

When receiving calls using WhatsApp for iOS, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for iOS prior to v2.18.90.24 and WhatsApp Business for iOS prior to v2…

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Facebook Whatsapp Business For Ios — versions 2.18.90.24, unspecified
Facebook Whatsapp For Ios — versions 2.18.90.24, unspecified
Whatsapp
Whatsapp Whatsapp_business

Weakness classification (CWE)

References

cve-assign@fb.com (Third Party Advisory, x_refsource_MISC)
cve-assign@fb.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-20655?: CVE-2018-20655 is a critical-severity vulnerability in Facebook Whatsapp Business For Ios, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-06-14.
How severe is CVE-2018-20655?: Critical severity. CVSS v3 base score is 9.8 out of 10.