| Name | CVE-2026-28859 |
| Description | The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6232-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| webkit2gtk (PTS) | bullseye | 2.44.2-1~deb11u1 | vulnerable |
| bullseye (security) | 2.50.6-1~deb11u1 | vulnerable | |
| bookworm | 2.50.4-1~deb12u1 | vulnerable | |
| bookworm (security) | 2.50.6-1~deb12u1 | vulnerable | |
| trixie | 2.50.4-1~deb13u1 | vulnerable | |
| trixie (security) | 2.52.3-2~deb13u1 | fixed | |
| forky, sid | 2.52.3-2 | fixed | |
| wpewebkit (PTS) | bullseye (security), bullseye | 2.38.6-1~deb11u1 | vulnerable |
| bookworm | 2.38.6-1 | vulnerable | |
| trixie | 2.48.3-1 | vulnerable | |
| forky, sid | 2.52.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| webkit2gtk | source | bookworm | (unfixed) | end-of-life | ||
| webkit2gtk | source | trixie | 2.52.3-2~deb13u1 | DSA-6232-1 | ||
| webkit2gtk | source | (unstable) | 2.52.1-1 | |||
| wpewebkit | source | bullseye | (unfixed) | end-of-life | ||
| wpewebkit | source | (unstable) | 2.52.1-1 |
[bookworm] - webkit2gtk <end-of-life> (see DSA-6232-1)
[trixie] - wpewebkit <ignored> (wpewebkit not covered by security support in Trixie)
[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <end-of-life> (see #1035997)
https://webkitgtk.org/security/WSA-2026-0002.html