CVE-2017-5949 is a critical heap-based out-of-bounds write vulnerability in JavaScriptCore within WebKit, affecting Apple Safari Technology Preview Release 22. This flaw allows remote attackers to trigger a denial of service or potentially other impacts through crafted JavaScript. With a CVSS score of 9.8, it is easily exploitable over the network without user interaction, leading to high confidentiality, integrity, and availability impacts. While there are no known active exploits, public exploit code, or KEV entries, the vulnerability has garnered significant community discussion, indicating awareness and potential interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
22CPE matchmatch criteria | cpe:2.3:a:apple:safari:22:*:*:*:technology_preview:*:*:* |
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.
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.