CVE-2020-9947

NameCVE-2020-9947
DescriptionA use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
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-4797-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster, buster (security)2.32.4-1~deb10u1fixed
bullseye (security), bullseye2.32.4-1~deb11u1fixed
bookworm, sid2.34.1-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.32.4-1~deb11u1fixed
bookworm, sid2.34.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.30.3-1~deb10u1DSA-4797-1
webkit2gtksource(unstable)2.30.1-1
wpewebkitsource(unstable)2.30.0-1

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0002.html

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