CVE-2020-26217

Published: 16 November 2020

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.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
libxstream-java
Launchpad, Ubuntu, Debian 		Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(1.4.14-1)
Ubuntu 20.10 (Groovy Gorilla)
Released (1.4.11.1-2ubuntu0.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1.4.11.1-1ubuntu0.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.4.11.1-1~18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needs-triage)
Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

References

Join the discussion

Canonical is offering Extended Security Maintenance

Canonical is offering Ubuntu 14.04 Extended Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM

Further reading