USN-7199-1: xmltok library vulnerabilities
It was discovered that Expat, contained within the xmltok library, incorrectly handled malformed XML data. If a user or application were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2015-1283, CVE-2016-0718, CVE-2016-4472, CVE-2019-15903) It was discovered that Expat, contained within the xmltok library, incorrectly handled XML data containing a large number of colons, which could lead to excessive resource consumption. If a user or application were tricked into opening a crafted XML file, an attacker could possibly use this issue to cause a denial of service. (CVE-2018-20843) It was discovered that Expat, contained within the xmltok library, incorrectly handled certain input, which could lead to an integer overflow. If a user or application were tricked into opening a crafted XML file, an attacker could possibly use this issue to cause a denial of service. (CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-7199-1?
USN-7199-1 has been classified as a critical vulnerability due to its potential to cause denial of service or execute arbitrary code.
How do I fix USN-7199-1?
To fix USN-7199-1, upgrade the libxmltok1t64 package to version 1.2-4.1ubuntu3.1 or the appropriate patched version for your Ubuntu release.
What is affected by USN-7199-1?
USN-7199-1 affects multiple versions of Ubuntu, specifically those running libxmltok1 and libxmltok1t64 packages.
Can USN-7199-1 be exploited remotely?
Yes, USN-7199-1 can be exploited remotely if a user or application opens a crafted malicious XML file.
What are the potential impacts of USN-7199-1?
The potential impacts of USN-7199-1 include denial of service and possible execution of arbitrary code on vulnerable systems.