An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
{
"sources": [
{
"published": "2021-08-24T19:15:14.370Z",
"id": "CVE-2021-30860",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-30860",
"imported": "2025-10-28T03:25:00.969Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-30860",
"modified": "2025-10-27T17:38:22.367Z"
}
],
"license": "CC-BY-4.0"
}