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CVE-2021-30860Apple Multiple Products Integer Overflow Vulnerability
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.
7.8 HIGHEPSS 75.99%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 6.8 | MEDIUM | 2.0NVD | AV:N/AC:M/Au:N/C:P/I:P/A:P |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-30860
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Aug 24, 2021
- Last modified
- 2026-06-17 03:51 UTC
Affected Products
As published by the CNA in the CVE record.
ApplemacOS1 version range
- before 11.6
ApplemacOS1 version range
- before 2021-005
ApplewatchOS1 version range
- before 7.6
AppleiOS1 version range
- before 14.8
References
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/25
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/26
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/27
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/28
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/38
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/39
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/40
- seclists.org http://seclists.org/fulldisclosure/2021/Sep/50
- openwall.com http://www.openwall.com/lists/oss-security/2022/09/02/11
- security.gentoo.org https://security.gentoo.org/glsa/202209-21
- support.apple.com https://support.apple.com/en-us/HT212804
- support.apple.com https://support.apple.com/en-us/HT212805
- support.apple.com https://support.apple.com/en-us/HT212806
- support.apple.com https://support.apple.com/en-us/HT212807
- support.apple.com https://support.apple.com/kb/HT212824
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860