| Name | CVE-2021-30851 |
| Description | A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution. |
| 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-2021-0006.html
https://bugs.webkit.org/show_bug.cgi?id=227988
https://www.openwall.com/lists/oss-security/2021/10/27/4