CVE-2021-30884

NameCVE-2021-30884
DescriptionThe issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.
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-4995-1, DSA-4996-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster2.32.4-1~deb10u1vulnerable
buster (security)2.34.3-1~deb10u1fixed
bullseye2.34.1-1~deb11u1fixed
bullseye (security)2.34.3-1~deb11u1fixed
bookworm, sid2.34.4-1fixed
wpewebkit (PTS)bullseye2.34.1-1~deb11u1fixed
bullseye (security)2.34.3-1~deb11u1fixed
bookworm, sid2.34.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.34.1-1~deb10u1DSA-4995-1
webkit2gtksourcebullseye2.34.1-1~deb11u1DSA-4995-1
webkit2gtksource(unstable)2.34.1-1
wpewebkitsourcebullseye2.34.1-1~deb11u1DSA-4996-1
wpewebkitsource(unstable)2.34.1-1

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0007.html

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