Threat intelligence report · CISA KEV

CVE-2021-30666: Apple iOS WebKit Buffer Overflow Vulnerability

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. Required action: Apply updates per vendor instructions.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2021-11-03T00:00:00Z
Confidence basis
No actor match
Record ID
3d3caa944209e5fb3203

Vulnerabilities

CVE-2021-30666

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.