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CVE-2021-30663 — Apple Multiple Products WebKit Integer Overflow Vulnerability

provenance: imported · CVE: CVE-2021-30663

CVE-2021-30663: Apple Multiple Products WebKit Integer Overflow Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project Apple
Product Multiple Products
Date added 2021-11-03
Due date 2021-11-17
Ransomware campaign use Unknown

Description

Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain an integer 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 (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-30663

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30663
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog