| Name | CVE-2021-30884 |
| Description | The 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4995-1, DSA-4996-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| webkit2gtk (PTS) | jessie | 2.6.2+dfsg1-4 | vulnerable |
| stretch | 2.18.6-1~deb9u1 | vulnerable |
| buster (security), buster, buster (lts) | 2.38.6-0+deb10u1 | fixed |
| bullseye | 2.44.2-1~deb11u1 | fixed |
| bullseye (security) | 2.46.3-1~deb11u2 | fixed |
| bookworm | 2.46.0-2~deb12u1 | fixed |
| bookworm (security) | 2.46.3-1~deb12u1 | fixed |
| sid, trixie | 2.46.3-1 | fixed |
| wpewebkit (PTS) | bullseye (security), bullseye | 2.38.6-1~deb11u1 | fixed |
| bookworm | 2.38.6-1 | fixed |
| sid, trixie | 2.46.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0007.html