CVE-2020-9843

Name	CVE-2020-9843
Description	An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DSA-4724-1
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
webkit2gtk (PTS)	stretch	2.18.6-1~deb9u1	vulnerable
	buster, buster (security)	2.28.4-1~deb10u1	fixed
	bullseye, sid	2.30.1-1	fixed
wpewebkit (PTS)	bullseye, sid	2.30.0-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
webkit2gtk	source	buster	2.28.3-2~deb10u1	DSA-4724-1
webkit2gtk	source	(unstable)	2.28.3-1
wpewebkit	source	(unstable)	2.28.3-1

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
[jessie] - webkit2gtk <ignored> (Not covered by security support in jessie)
https://webkitgtk.org/security/WSA-2020-0006.html