high
7.8
CWE
20 190
Advisory Published
CVE Published
Updated

CVE-2020-27945: Input Validation

First published: Thu Nov 12 2020(Updated: )

CFNetwork Cache. An integer overflow was addressed with improved input validation.

Credit: Zhuo Liang Qihoo 360 Vulcan TeamZhuo Liang Qihoo 360 Vulcan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple macOS Big Sur<11.0.1
11.0.1
Apple Mac OS X>=10.14<10.14.6
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.2.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2020-27945.

  • What is the title of this vulnerability?

    The title of this vulnerability is 'CFNetwork Cache. An integer overflow was addressed with improved input validation.'

  • What is the severity level of CVE-2020-27945?

    The severity level of CVE-2020-27945 has not been specified.

  • Which software versions are affected by this vulnerability?

    macOS Big Sur versions up to 11.0.1, macOS Big Sur versions up to 11.2, macOS Catalina, and macOS Mojave are affected by this vulnerability.

  • How can I fix the vulnerability CVE-2020-27945?

    Apply the recommended patches provided by Apple for affected software versions or update to a non-affected version.

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