{"id":"CVE-2021-30860","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-30860","summary":null,"details":"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.","published":"2021-08-24T19:15:14.370Z","modified":"2026-07-08T05:59:11.793564189Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.75994,"percentile":0.99495,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":11,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/25"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/26"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/27"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/28"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/38"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/39"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/40"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2021/Sep/50"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202209-21"},{"type":"ADVISORY","url":"https://support.apple.com/en-us/HT212804"},{"type":"ADVISORY","url":"https://support.apple.com/en-us/HT212805"},{"type":"ADVISORY","url":"https://support.apple.com/en-us/HT212806"},{"type":"ADVISORY","url":"https://support.apple.com/en-us/HT212807"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT212824"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2022/09/02/11"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:59:11.793564189Z"}}