| Name | CVE-2021-1826 |
| Description | A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting. |
| 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-4797-1 |
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-2021-0004.html