CVE-2020-9843

NameCVE-2020-9843
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4724-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster2.28.4-1~deb10u1fixed
buster (security)2.30.4-1~deb10u1fixed
bullseye, sid2.30.4-1fixed
wpewebkit (PTS)bullseye, sid2.30.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.28.3-2~deb10u1DSA-4724-1
webkit2gtksource(unstable)2.28.3-1
wpewebkitsource(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
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