high
7.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2020-3851: Use After Free

First published: Tue Jan 28 2020(Updated: )

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.

Credit: Xiaolong Bai Min (Spark) Zheng Alibaba IncLuyi Xing Indiana University BloomingtonXiaolong Bai Min (Spark) Zheng Alibaba IncLuyi Xing Indiana University Bloomington product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Mac OS X>=10.15.2<10.15.3
Apple Mac OS X>=10.13.6<10.15.4
Apple macOS Catalina<10.15.3
10.15.3
Apple Mojave
Apple High Sierra

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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 CVE-2020-3851?

    CVE-2020-3851 is a vulnerability related to IOThunderboltFamily in macOS Catalina, Mojave, and High Sierra.

  • What is the severity of CVE-2020-3851?

    The severity of CVE-2020-3851 is not mentioned in the provided information.

  • How does CVE-2020-3851 affect macOS Catalina?

    CVE-2020-3851 affects macOS Catalina versions 10.15.4 and 10.15.3.

  • How does CVE-2020-3851 affect Apple Mojave?

    CVE-2020-3851 affects Apple Mojave, but specific versions are not mentioned.

  • How does CVE-2020-3851 affect Apple High Sierra?

    CVE-2020-3851 affects Apple High Sierra, but specific versions are not mentioned.

  • How can I fix the vulnerability CVE-2020-3851?

    To fix the vulnerability CVE-2020-3851, it is recommended to update macOS Catalina to version 10.15.4 or 10.15.3 when available.

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