CVE-2021-30666CISA KEVEPSS p84.7%
CVE-2021-30666Apple iOS WebKit Buffer Overflow Vulnerability
Apple / iOS
Description
Apple iOS WebKit contains a buffer-overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Scoring
| EPSS | 2.81% probability of exploitation · percentile 84.7% · 2026-06-19T12:03:05Z |
CISA KEV entry
Added to KEV: 2021-11-03
(incoming)1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| KEVEntry | Apple iOS WebKit Buffer Overflow Vulnerabilitykev-cve-2021-30666 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.