CVE-2021-30860
- State
- Published
- Severity
- 7.8 High
- Published
- Aug 24, 2021
- Updated
- Oct 21, 2025
- Reserved
- Apr 13, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
macOSApple |
|
macOSApple |
|
watchOSApple |
|
iOSApple |
|
References
- https://support.apple.com/en-us/HT212804
- https://support.apple.com/en-us/HT212805
- https://support.apple.com/en-us/HT212807
- https://support.apple.com/en-us/HT212806
- 20210917 APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalinamailing-list
- 20210917 APPLE-SA-2021-09-13-3 macOS Big Sur 11.6mailing-list
- 20210917 APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8mailing-list
- 20210917 APPLE-SA-2021-09-13-2 watchOS 7.6.2mailing-list
- 20210921 APPLE-SA-2021-09-20-8 Additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalinamailing-list
- 20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8mailing-list
- 20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6mailing-list
- https://support.apple.com/kb/HT212824
- 20210924 APPLE-SA-2021-09-23-1 iOS 12.5.5mailing-list
- [oss-security] 20220902 JBIG2 integer overflow fixed in Xpdf 4.04, Poppler 22.09.0mailing-list
- GLSA-202209-21vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860government-resource
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