H3XAOperational intelligence
Live analytical pictureEvidence before assessment
Threat intelligence / Vulnerability

CVE-2021-30666

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.

Vulnerability
TypeVulnerability
External ID—
First seen2021-11-03
Last seen2021-11-03

Confidence

—

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.

Labels

exploitedkev

CISA KEV context

Vendor / productApple iOS
Added2021-11-03
Due date2021-11-17
13 recorded

Relationships

mitigates
from Remediate CVE-2021-30666
Mitigation
related-to
to Buffer Manipulation
Technique
related-to
to Buffer Overflow in an API Call
Technique
related-to
to Buffer Overflow in Local Command-Line Utilities
Technique
related-to
to Buffer Overflow via Environment Variables
Technique
related-to
to Buffer Overflow via Parameter Expansion
Technique
related-to
to Buffer Overflow via Symbolic Links
Technique
related-to
to Client-side Injection-induced Buffer Overflow
Technique
related-to
to Filter Failure through Buffer Overflow
Technique
related-to
to MIME Conversion
Technique
related-to
to Overflow Binary Resource File
Technique
related-to
to Overflow Buffers
Technique
related-to
to Overflow Variables and Tags
Technique
2 external

References

nvd
CVE-2021-30666
open
cwe
CWE-119
open
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