CVE-2018-4089 is a critical vulnerability in Apple's WebKit component, affecting iOS before 11.2.5, macOS before 10.13.3, Safari before 11.0.3, and tvOS before 11.2.5. This flaw allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) through a crafted website. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, a public exploit (EDB-43937) for a use-after-free vulnerability exists, though there is no evidence of widespread active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.2.5CPE matchmatch criteria | cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:* | ||
< 11.0.3CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 11.2.5CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.13.3CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.