--- title: 'USN-8460-1: libxml2 vulnerabilities | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-8460-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-8460-1 --- # USN-8460-1: libxml2 vulnerabilities Publication date 22 June 2026 Overview Several security issues were fixed in libxml2. Releases [26.04 LTS](https://ubuntu.com/security/notices?release=resolute) [25.10](https://ubuntu.com/security/notices?release=questing) --- Open side navigation ## Packages * [libxml2](https://ubuntu.com/security/cves?package=libxml2) - GNOME XML library ## Details It was discovered that libxml2 did not properly release memory allocated in the xmllint utility. An attacker could possibly use this issue to cause a denial of service. ([CVE-2026-1757](https://ubuntu.com/security/CVE-2026-1757)) A type confusion vulnerability was found in libxml2 when processing a specially crafted XML document. A remote attacker could possibly use this issue to cause a denial of service. ([CVE-2026-6732](https://ubuntu.com/security/CVE-2026-6732)) ## Update instructions In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 26.04 LTS resolute | [libxml2-16](https://launchpad.net/ubuntu/+source/libxml2) –  [2.15.2+dfsg-0.1ubuntu0.1](https://launchpad.net/ubuntu/+source/libxml2/2.15.2+dfsg-0.1ubuntu0.1) | | | | [libxml2-dev](https://launchpad.net/ubuntu/+source/libxml2) –  [2.15.2+dfsg-0.1ubuntu0.1](https://launchpad.net/ubuntu/+source/libxml2/2.15.2+dfsg-0.1ubuntu0.1) | | | | [libxml2-source](https://launchpad.net/ubuntu/+source/libxml2) –  [2.15.2+dfsg-0.1ubuntu0.1](https://launchpad.net/ubuntu/+source/libxml2/2.15.2+dfsg-0.1ubuntu0.1) | | | | [libxml2-utils](https://launchpad.net/ubuntu/+source/libxml2) –  [2.15.2+dfsg-0.1ubuntu0.1](https://launchpad.net/ubuntu/+source/libxml2/2.15.2+dfsg-0.1ubuntu0.1) | | | | [python3-libxml2](https://launchpad.net/ubuntu/+source/libxml2) –  [2.15.2+dfsg-0.1ubuntu0.1](https://launchpad.net/ubuntu/+source/libxml2/2.15.2+dfsg-0.1ubuntu0.1) | | | | 25.10 questing | [libxml2-16](https://launchpad.net/ubuntu/+source/libxml2) –  [2.14.5+dfsg-0.2ubuntu0.2](https://launchpad.net/ubuntu/+source/libxml2/2.14.5+dfsg-0.2ubuntu0.2) | | | | [libxml2-dev](https://launchpad.net/ubuntu/+source/libxml2) –  [2.14.5+dfsg-0.2ubuntu0.2](https://launchpad.net/ubuntu/+source/libxml2/2.14.5+dfsg-0.2ubuntu0.2) | | | | [libxml2-utils](https://launchpad.net/ubuntu/+source/libxml2) –  [2.14.5+dfsg-0.2ubuntu0.2](https://launchpad.net/ubuntu/+source/libxml2/2.14.5+dfsg-0.2ubuntu0.2) | | | | [python3-libxml2](https://launchpad.net/ubuntu/+source/libxml2) –  [2.14.5+dfsg-0.2ubuntu0.2](https://launchpad.net/ubuntu/+source/libxml2/2.14.5+dfsg-0.2ubuntu0.2) | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2026-6732](https://ubuntu.com/security/CVE-2026-6732) * [CVE-2026-1757](https://ubuntu.com/security/CVE-2026-1757)