critical
9.8
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2019-8756: Input Validation

First published: Thu Sep 19 2019(Updated: )

libxml2. Multiple memory corruption issues were addressed with improved input validation.

Credit: found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz found by OSS-Fuzz product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iCloud for Windows<10.7
10.7
Apple iCloud for Windows<7.14
7.14
Apple iTunes for Windows<12.10.1
12.10.1
Apple macOS Catalina<10.15
10.15
Apple macOS Catalina<10.15.1
10.15.1
Apple watchOS<6
6
Apple tvOS<13
13
Apple iOS<13
13
Apple Icloud Windows<7.14
Apple Icloud Windows>=10.0<10.7
Apple Itunes Windows<12.10.1
Apple Mac OS X<10.15
Apple tvOS<13
Apple watchOS<6.0

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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 CVE-2019-8756?

    CVE-2019-8756 is a vulnerability in libxml2 that allows attackers to cause a denial of service or execute arbitrary code.

  • What is the severity of CVE-2019-8756?

    The severity of CVE-2019-8756 is critical with a CVSS score of 9.8.

  • Which software versions are affected by CVE-2019-8756?

    macOS Catalina 10.15 up to 10.15.1, iOS 13, watchOS 6, iCloud for Windows 7.14 up to 10.7, tvOS 13, and iTunes 12.10.1 for Windows are affected by CVE-2019-8756.

  • How do I fix CVE-2019-8756?

    To fix CVE-2019-8756, update to macOS Catalina 10.15.1 or later, iOS 13 or later, watchOS 6 or later, iCloud for Windows 10.7 or later, tvOS 13 or later, and iTunes 12.10.1 or later for Windows.

  • Where can I find more information about CVE-2019-8756?

    You can find more information about CVE-2019-8756 on the Apple support website. Here are some relevant articles: [link1](https://support.apple.com/en-us/HT210722), [link2](https://support.apple.com/en-us/HT210634), [link3](https://support.apple.com/en-us/HT210604).

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