CVE-2021-30860

high-risk
Published 2021-08-24

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.

Do I need to act?

!
70.6% chance of exploitation in next 30 days
EPSS score — higher than 29% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (14)

Affected Vendors

Apple Freedesktop Xpdfreader

References (31)

Mailing List http://seclists.org/fulldisclosure/2021/Sep/25
Mailing List http://seclists.org/fulldisclosure/2021/Sep/26
Mailing List http://seclists.org/fulldisclosure/2021/Sep/27
Mailing List http://seclists.org/fulldisclosure/2021/Sep/28
Mailing List http://seclists.org/fulldisclosure/2021/Sep/38
Mailing List http://seclists.org/fulldisclosure/2021/Sep/39
Mailing List http://seclists.org/fulldisclosure/2021/Sep/40
Mailing List http://seclists.org/fulldisclosure/2021/Sep/50
Mailing List http://www.openwall.com/lists/oss-security/2022/09/02/11
Third Party Advisory https://security.gentoo.org/glsa/202209-21
Vendor 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
Mailing List http://seclists.org/fulldisclosure/2021/Sep/25
Mailing List http://seclists.org/fulldisclosure/2021/Sep/26
Mailing List http://seclists.org/fulldisclosure/2021/Sep/27
Mailing List http://seclists.org/fulldisclosure/2021/Sep/28
Mailing List http://seclists.org/fulldisclosure/2021/Sep/38
and 11 more references
68
/ 100
high-risk
Severity 24/34 · High
Exploitability 26/34 · High
Exposure 18/34 · Moderate