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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-190
- EPSS score
- 76.0% (100th percentile)
- In CISA KEV
- Yes, added November 3, 2021
- In EU EUVD
- Yes (EUVD-2021-17777)
- Published
- August 24, 2021
- NVD last modified
- June 17, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Apple Multiple Products Integer Overflow Vulnerability
Added to the KEV catalog on November 3, 2021; federal remediation due November 17, 2021.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2021-17777 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.
View on the EU Vulnerability DatabaseAffected products
- apple / ipados
- apple / iphone os
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / macos
- apple / watchos
- freedesktop / poppler
- xpdfreader / xpdf
Certified products that may be affected
7 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Strong customer authentication pour Apple Pay sur Apple Watch série 4 exécutant watchOS 7.4.1 (Version 18T201) - Apple Inc. - Common Criteria ANSSI-CC-2023/13 - active
- Strong Customer Authentication pour Apple Pay, sur MacBook Air 2020 avec M1 exécutant macOS Big Sur 11.3.1 - Apple Inc. - Common Criteria ANSSI-CC-2022/44 - active
- Strong Customer Authentication pour Apple Pay sur iPhone SE (de seconde génération) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/05 - active
- Strong Customer Authentication pour Apple Pay sur iPhone (SoC A12 Bionic) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/04 - active
- Apple macOS 11 Big Sur: Contacts - Apple Inc. - Common Criteria CCEVS-VR-VID-11243-2022 - archived
See all 7 in the Security Certifications Explorer.
References
- 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)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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