USN-4274-1: libxml2 vulnerabilities
It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-19956, CVE-2020-7595)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/libxml2to a version that resolves this vulnerability.Fixed in 2.9.4+dfsg1-7ubuntu3.1 - Upgrade
Upgrade
ubuntu/libxml2-utilsto a version that resolves this vulnerability.Fixed in 2.9.4+dfsg1-7ubuntu3.1 - Upgrade
Upgrade
ubuntu/libxml2to a version that resolves this vulnerability.Fixed in 2.9.4+dfsg1-6.1ubuntu1.3 - Upgrade
Upgrade
ubuntu/libxml2-utilsto a version that resolves this vulnerability.Fixed in 2.9.4+dfsg1-6.1ubuntu1.3 - Upgrade
Upgrade
ubuntu/libxml2to a version that resolves this vulnerability.Fixed in 2.9.3+dfsg1-1ubuntu0.7 - Upgrade
Upgrade
ubuntu/libxml2-utilsto a version that resolves this vulnerability.Fixed in 2.9.3+dfsg1-1ubuntu0.7 - Upgrade
Upgrade
ubuntu/libxml2to a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
Upgrade
ubuntu/libxml2-utilsto a version that resolves this vulnerability.Fixed in Ubuntu Pro - Upgrade
Upgrade
ubuntu/libxml2to a version that resolves this vulnerability.Fixed in 2.7.8.dfsg-5.1ubuntu4.22 - Upgrade
Upgrade
ubuntu/libxml2-utilsto a version that resolves this vulnerability.Fixed in 2.7.8.dfsg-5.1ubuntu4.22
Event History
Frequently Asked Questions
What is the vulnerability ID for libxml2 vulnerabilities?
The vulnerability ID for libxml2 vulnerabilities is CVE-2019-19956 and CVE-2020-7595.
What is the severity level of CVE-2019-19956 and CVE-2020-7595?
The severity level of CVE-2019-19956 and CVE-2020-7595 is not specified.
How can an attacker exploit CVE-2019-19956 and CVE-2020-7595?
An attacker can exploit CVE-2019-19956 and CVE-2020-7595 to cause a denial of service.
Which versions of libxml2 are affected by these vulnerabilities?
The affected versions of libxml2 are 2.9.4+dfsg1-7ubuntu3.1, 2.9.4+dfsg1-6.1ubuntu1.3, 2.9.3+dfsg1-1ubuntu0.7, 2.9.1+dfsg1-3ubuntu4.13+esm1, and 2.7.8.dfsg-5.1ubuntu4.22.
How do I fix the libxml2 vulnerabilities?
To fix the libxml2 vulnerabilities, update to version 2.9.4+dfsg1-7ubuntu3.1 for Ubuntu 19.10, version 2.9.4+dfsg1-6.1ubuntu1.3 for Ubuntu 18.04, version 2.9.3+dfsg1-1ubuntu0.7 for Ubuntu 16.04, version 2.9.1+dfsg1-3ubuntu4.13+esm1 for Ubuntu 14.04, and version 2.7.8.dfsg-5.1ubuntu4.22 for Ubuntu 12.04.