vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-20843): Expat vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jun 24, 2019 | Jun 26, 2019 | Apr 16, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jun 24, 2019
Added
Jun 26, 2019
Modified
Apr 16, 2026
Description
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
Solutions
ubuntu-pro-upgrade-lib64expat1ubuntu-pro-upgrade-libexpat1ubuntu-pro-upgrade-libvtk5-10ubuntu-pro-upgrade-libvtk5-8ubuntu-pro-upgrade-libxmltok1ubuntu-pro-upgrade-libxmltok1t64ubuntu-upgrade-lib64expat1ubuntu-upgrade-libexpat1ubuntu-upgrade-libxmltok1t64
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.