{"cve":"CVE-2021-30860","nvd":{"published":"2021-08-24T19:15:14.370","modified":"2026-06-17T03:51:01.843","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-190"],"references":["http://seclists.org/fulldisclosure/2021/Sep/25","http://seclists.org/fulldisclosure/2021/Sep/26","http://seclists.org/fulldisclosure/2021/Sep/27","http://seclists.org/fulldisclosure/2021/Sep/28","http://seclists.org/fulldisclosure/2021/Sep/38"],"products":["apple:ipados","apple:iphone_os","apple:mac_os_x","apple:macos","apple:watchos","freedesktop:poppler","xpdfreader:xpdf"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-30860","score":0.75994,"percentile":0.99529,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-30860","date_added":"2021-11-03","due_date":"2021-11-17","vendor":"Apple","product":"Multiple Products","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}