CVE-2018-4124 is a critical denial-of-service vulnerability affecting Apple's iOS, macOS, tvOS, and watchOS operating systems prior to their respective patched versions. It resides in the CoreText component, allowing remote attackers to trigger memory corruption and system crashes by sending a crafted string containing a specific Telugu character. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network without user interaction, potentially leading to a complete system compromise (C:H/I:H/A:H). While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability garnered significant community discussion and media coverage upon its disclosure.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.2.6CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.13.3CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
< 11.2.6CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 4.2.3CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.