CVE-2020-9895

NameCVE-2020-9895
DescriptionA 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, Safari 13.1.2, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. A remote attacker may be able to cause unexpected application termination or 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-4739-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster, buster (security)2.28.4-1~deb10u1fixed
bullseye2.30.1-1fixed
sid2.30.2-1fixed
wpewebkit (PTS)bullseye2.30.0-1fixed
sid2.30.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.28.4-1~deb10u1DSA-4739-1
webkit2gtksource(unstable)2.28.4-1
wpewebkitsource(unstable)2.28.4-1

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-2020-0007.html

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