CVE-2021-30860 (GCVE-0-2021-30860)
Vulnerability from cvelistv5
Published
2021-08-24 18:49
Modified
2025-10-21 23:25
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • 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.
Summary
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.
References
https://support.apple.com/en-us/HT212804 x_refsource_MISC
https://support.apple.com/en-us/HT212805 x_refsource_MISC
https://support.apple.com/en-us/HT212807 x_refsource_MISC
https://support.apple.com/en-us/HT212806 x_refsource_MISC
http://seclists.org/fulldisclosure/2021/Sep/28 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/27 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/25 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/26 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/40 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/38 mailing-list, x_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/39 mailing-list, x_refsource_FULLDISC
https://support.apple.com/kb/HT212824 x_refsource_CONFIRM
http://seclists.org/fulldisclosure/2021/Sep/50 mailing-list, x_refsource_FULLDISC
http://www.openwall.com/lists/oss-security/2022/09/02/11 mailing-list, x_refsource_MLIST
https://security.gentoo.org/glsa/202209-21 vendor-advisory, x_refsource_GENTOO
Impacted products
Vendor Product Version
Apple macOS Version: unspecified   < 11.6
 Create a notification for this product.
   Apple macOS Version: unspecified   < 2021-005
 Create a notification for this product.
   Apple watchOS Version: unspecified   < 7.6
 Create a notification for this product.
   Apple iOS Version: unspecified   < 14.8
 Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-30860

Show details on NVD website

To clipboard 

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      "cveMetadata": "{\"cveId\": \"CVE-2021-30860\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:25:37.148Z\", \"dateReserved\": \"2021-04-13T00:00:00.000Z\", \"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"datePublished\": \"2021-08-24T18:49:25.000Z\", \"assignerShortName\": \"apple\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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