CVE-2018-20655 describes a critical stack-based overflow vulnerability in WhatsApp for iOS (prior to v2.18.90.24) and WhatsApp Business for iOS (prior to v2.18.90.24). This flaw allowed a remote attacker to execute arbitrary code by sending a specially crafted packet during a call, due to a missing size check. With a CVSS score of 9.8, this vulnerability is highly severe, requiring no user interaction and enabling complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.18.90.24CPE matchmatch criteria | cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:* | ||
< 2.18.90.24CPE matchmatch criteria | cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.