CVE-2023-42956

Publication date 28 March 2024

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The issue was addressed with improved memory handling. This issue is fixed in Safari 17.2, iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2. Processing web content may lead to a denial-of-service.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qtwebkit-opensource-src	24.04 LTS noble	Ignored
	23.10 mantic	Ignored
	22.04 LTS jammy	Ignored
	20.04 LTS focal	Ignored
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
qtwebkit-source	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
webkit2gtk	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 2.44.0-0ubuntu0.23.10.1
	22.04 LTS jammy	Fixed 2.44.0-0ubuntu0.22.04.1
	20.04 LTS focal	Ignored
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
webkitgtk	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored
	16.04 LTS xenial	Ignored
wpewebkit	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Ignored
	20.04 LTS focal	Ignored

Notes

jdstrand

webkit receives limited support. For details, see https://wiki.myasnchisdf.eu.org/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

mdeslaur

It is no longer possible to build new webkit2gtk versions on focal and earlier. Marking as ignored.

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6732-1
WebKitGTK vulnerabilities
15 April 2024