PT-2021-18869 · Apple · Ios+2

Ryuzaki · Published 2021-07-21 · Updated 2021-09-21 · CVE-2021-30786

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.7 macOS Big Sur versions prior to 11.5

Description A race condition was addressed with improved state handling. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.

Recommendations For iOS versions prior to 14.7, update to iOS 14.7 to resolve the issue. For macOS Big Sur versions prior to 11.5, update to macOS Big Sur 11.5 to resolve the issue.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2021-30786

Affected Products

Apple Macos

Ios

Macos Big Sur

References · 6

• https://osv.dev/vulnerability/CVE-2021-30786 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30786 · Security Note
• https://support.apple.com/en-us/HT212601 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30786 · Note
• https://support.apple.com/en-us/102849 · Note