CVE-2021-30860

7.8 HIGH CISA KEV - Actively Exploited
Published: August 24, 2021 Modified: October 27, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/25
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/26
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/28
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/40
Source: product-security@apple.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50
Source: product-security@apple.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/11
Source: product-security@apple.com
Mailing List
https://security.gentoo.org/glsa/202209-21
Source: product-security@apple.com
Third Party Advisory
https://support.apple.com/en-us/HT212804
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212805
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212806
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212807
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/kb/HT212824
Source: product-security@apple.com
Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/25
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/26
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/28
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/40
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/11
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
https://security.gentoo.org/glsa/202209-21
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/en-us/HT212804
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212805
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212806
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212807
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/kb/HT212824
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30860
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

31 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
69.5%
99th percentile
Exploitation Status
Actively Exploited
Remediation due: 2021-11-17

Weaknesses (CWE)

CWE-190 CWE-190

Affected Vendors

xpdfreader freedesktop apple

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