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CVE-2020-9926

Published: 2 April 2021

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.

Notes

Author	Note
mdeslaur	no details on this affecting anything other then macOS

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
libxml2 Launchpad, Ubuntu, Debian	impish	Not vulnerable
	jammy	Not vulnerable
	upstream	Needs triage
	bionic	Not vulnerable
	focal	Not vulnerable
	groovy	Not vulnerable
	hirsute	Not vulnerable
	trusty	Not vulnerable
	xenial	Not vulnerable

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

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