Rapid7

vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-15903): Expat vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 4, 2019
Added
Sep 13, 2019
Modified
Apr 16, 2026

Description

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

Solutions

ubuntu-pro-upgrade-lib64expat1ubuntu-pro-upgrade-libexpat1ubuntu-pro-upgrade-libvtk5-10ubuntu-pro-upgrade-libvtk5-8ubuntu-pro-upgrade-libxmltok1ubuntu-pro-upgrade-libxmltok1t64ubuntu-upgrade-firefoxubuntu-upgrade-lib64expat1ubuntu-upgrade-libexpat1ubuntu-upgrade-libxmltok1t64ubuntu-upgrade-thunderbird

References

    Title
    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.