# CVE-2021-30860: Apple Multiple Products Integer Overflow Vulnerability

Source: https://junglewise.ai/threats/cve-2021-30860-apple-multiple-products-integer-overflow-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-30860 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

An integer overflow vulnerability in Apple's CoreGraphics framework, known as FORCEDENTRY, allows for arbitrary code execution when processing a maliciously crafted PDF. The flaw was addressed through improved input validation across multiple Apple operating systems.

Technologies: [Apple Multiple Products](https://junglewise.ai/threats/technologies/multiple-products). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2021-30860 exploited in the wild?** Yes. CVE-2021-30860 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2021-30860?** Critical severity, with a CVSS score of 7.8, published 3 November 2021.

**Which products and versions are affected?** Apple iOS before 14.8; Apple iPadOS before 14.8; Apple macOS Big Sur before 11.6; Apple Security Update 2021-005 Catalina before update; and 1 more.

**Is there a fix for CVE-2021-30860?** A patch was published on 2021-09-13: Apple released security updates for iOS, iPadOS, macOS, and watchOS. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-30860 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2021-30860?** Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Apple iOS before 14.8
- Apple iPadOS before 14.8
- Apple macOS Big Sur before 11.6
- Apple Security Update 2021-005 Catalina before update
- Apple watchOS before 7.6.2

## Timeline

- 2021-11-03: disclosed: Published in NVD and added to CISA KEV catalog.
- 2021-11-03: kev added
- 2021-09-13: patched: Apple released security updates for iOS, iPadOS, macOS, and watchOS.
- 2021-09-13: exploited: Apple reported awareness of active exploitation at the time of patching.

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