CVEvulnerability

CVE-2021-30860

7.8 HIGH Known exploited Published 2021-08-24 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple Products Integer Overflow Vulnerability — Apple Multiple Products

Apple iOS, iPadOS, macOS, and watchOS CoreGraphics contain an integer overflow vulnerability which may allow code execution when processing a maliciously crafted PDF. The vulnerability is also known under the moniker of FORCEDENTRY.

Added to KEV
2021-11-03
Remediation due
2021-11-17
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-30860
Status
Analyzed
Published
2021-08-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190

Description

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.

Affected configurations

• apple ipados (< 14.8) • apple iphone os (< 12.5.5) • apple iphone os (>= 13.0 < 14.8) • apple mac os x (>= 10.15 < 10.15.7) • apple mac os x 10.15.7 • apple macos (< 11.6) • apple watchos (< 7.6.2) • xpdfreader xpdf (< 4.04) • freedesktop poppler (< 22.09.0)

Related

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

Referenced by CWE · observed example (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-20 Improper Input Validation weakness

References