| Name | CVE-2021-21806 |
| Description | An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability. |
| 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-4877-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| webkit2gtk (PTS) | buster | 2.36.4-1~deb10u1 | fixed |
| buster (security) | 2.38.6-0+deb10u1 | fixed |
| bullseye | 2.42.2-1~deb11u1 | fixed |
| bullseye (security) | 2.42.5-1~deb11u1 | fixed |
| bookworm | 2.42.2-1~deb12u1 | fixed |
| bookworm (security) | 2.42.5-1~deb12u1 | fixed |
| trixie | 2.42.5-1 | fixed |
| sid | 2.44.1-1 | fixed |
| wpewebkit (PTS) | bullseye (security), bullseye | 2.38.6-1~deb11u1 | fixed |
| bookworm | 2.38.6-1 | fixed |
| trixie | 2.42.5-1 | fixed |
| sid | 2.44.1-1 | 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://talosintelligence.com/vulnerability_reports/TALOS-2020-1214