CVE-2021-30860

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30860
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 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/26 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/28 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/40 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/11 Mailing List
https://security.gentoo.org/glsa/202209-21 Third Party Advisory
https://support.apple.com/en-us/HT212804 Vendor Advisory
https://support.apple.com/en-us/HT212805 Vendor Advisory
https://support.apple.com/en-us/HT212806 Vendor Advisory
https://support.apple.com/en-us/HT212807 Vendor Advisory
https://support.apple.com/kb/HT212824 Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/26 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/28 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/40 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/11 Mailing List
https://security.gentoo.org/glsa/202209-21 Third Party Advisory
https://support.apple.com/en-us/HT212804 Vendor Advisory
https://support.apple.com/en-us/HT212805 Vendor Advisory
https://support.apple.com/en-us/HT212806 Vendor Advisory
https://support.apple.com/en-us/HT212807 Vendor Advisory
https://support.apple.com/kb/HT212824 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:xpdfreader:xpdf:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*
History

27 Oct 2025, 17:38

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 - US Government Resource

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860 -

21 Nov 2024, 06:04

Type Values Removed Values Added
References () http://seclists.org/fulldisclosure/2021/Sep/25 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/25 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/26 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/26 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/27 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/27 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/28 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/28 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/38 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/38 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/39 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/39 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/40 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/40 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/50 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/50 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2022/09/02/11 - Mailing List () http://www.openwall.com/lists/oss-security/2022/09/02/11 - Mailing List
References () https://security.gentoo.org/glsa/202209-21 - Third Party Advisory () https://security.gentoo.org/glsa/202209-21 - Third Party Advisory
References () https://support.apple.com/en-us/HT212804 - Vendor Advisory () https://support.apple.com/en-us/HT212804 - Vendor Advisory
References () https://support.apple.com/en-us/HT212805 - Vendor Advisory () https://support.apple.com/en-us/HT212805 - Vendor Advisory
References () https://support.apple.com/en-us/HT212806 - Vendor Advisory () https://support.apple.com/en-us/HT212806 - Vendor Advisory
References () https://support.apple.com/en-us/HT212807 - Vendor Advisory () https://support.apple.com/en-us/HT212807 - Vendor Advisory
References () https://support.apple.com/kb/HT212824 - Vendor Advisory () https://support.apple.com/kb/HT212824 - Vendor Advisory

02 Sep 2022, 21:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2022/09/02/11 -

06 Apr 2022, 15:18

Type Values Removed Values Added
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/28 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/28 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/25 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/25 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/39 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/39 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/26 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/26 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/50 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/50 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/40 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/40 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/27 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/27 - Mailing List, Third Party Advisory
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/38 - (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/38 - Mailing List, Third Party Advisory
References (CONFIRM) https://support.apple.com/kb/HT212824 - (CONFIRM) https://support.apple.com/kb/HT212824 - Vendor Advisory

24 Sep 2021, 16:15

Type Values Removed Values Added
References
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/50 -

23 Sep 2021, 19:15

Type Values Removed Values Added
References
  • (CONFIRM) https://support.apple.com/kb/HT212824 -

22 Sep 2021, 00:15

Type Values Removed Values Added
References
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/40 -
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/38 -
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/39 -

17 Sep 2021, 22:15

Type Values Removed Values Added
References
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/28 -
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/26 -
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/27 -
  • (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/25 -

14 Sep 2021, 15:42

Type Values Removed Values Added
CPE cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
References
  • (MISC) https://support.apple.com/en-us/HT212804 - Vendor Advisory
  • (MISC) https://support.apple.com/en-us/HT212806 - Vendor Advisory
  • (MISC) https://support.apple.com/en-us/HT212805 - Vendor Advisory
  • (MISC) https://support.apple.com/en-us/HT212807 - Vendor Advisory
CWE CWE-190
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. 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 v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 7.8

24 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-24 19:15

Updated : 2025-10-27 17:38

NVD link : CVE-2021-30860

Mitre link : CVE-2021-30860

CVE.ORG link : CVE-2021-30860

JSON object : View

Products Affected

apple

  • mac_os_x
  • ipados
  • macos
  • watchos
  • iphone_os

freedesktop

  • poppler

xpdfreader

  • xpdf
CWE
CWE-190

Integer Overflow or Wraparound