| Name | CVE-2020-26217 |
| Description | XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2471-1, DSA-4811-1, ELA-326-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxstream-java (PTS) | jessie, jessie (lts) | 1.4.11.1-1+deb8u6 | fixed |
| stretch (security) | 1.4.11.1-1+deb9u5 | fixed | |
| stretch (lts), stretch | 1.4.11.1-1+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 1.4.11.1-1+deb10u4 | fixed | |
| bullseye | 1.4.15-3+deb11u2 | fixed | |
| bullseye (security) | 1.4.15-3+deb11u3 | fixed | |
| bookworm | 1.4.20-1 | fixed | |
| sid, trixie | 1.4.21-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxstream-java | source | jessie | 1.4.7-2+deb8u3 | ELA-326-1 | ||
| libxstream-java | source | stretch | 1.4.9-2+deb9u1 | DLA-2471-1 | ||
| libxstream-java | source | buster | 1.4.11.1-1+deb10u1 | DSA-4811-1 | ||
| libxstream-java | source | (unstable) | 1.4.14-1 |
https://x-stream.github.io/CVE-2020-26217.html
https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2
https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1a