Packages
- libxml2 - GNOME XML library
Details
It was discovered that libxml2 incorrectly handled certain XML elements
under certain circumstances. An attacker could possibly use this issue to
cause libxml2 to crash or execute arbitrary code. (CVE-2026-86140)
It was discovered that libxml2 incorrectly handled certain XML documents
when used with Python bindings. A remote attacker could possibly use this
issue to cause applications using libxml2 to crash, resulting in a denial
of service. (CVE-2026-74860)
It was discovered that libxml2 incorrectly handled certain XML elements
under certain circumstances. An attacker could possibly use this issue to
cause libxml2 to crash or execute arbitrary code. (CVE-2026-86140)
It was discovered that libxml2 incorrectly handled certain XML documents
when used with Python bindings. A remote attacker could possibly use this
issue to cause applications using libxml2 to crash, resulting in a denial
of service. (CVE-2026-74860)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | libxml2-16 – 2.15.2+dfsg-0.1ubuntu0.2 | ||
| libxml2-utils – 2.15.2+dfsg-0.1ubuntu0.2 | |||
| python3-libxml2 – 2.15.2+dfsg-0.1ubuntu0.2 | |||
| 24.04 LTS noble | libxml2 – 2.9.14+dfsg-1.3ubuntu3.9 | ||
| libxml2-utils – 2.9.14+dfsg-1.3ubuntu3.9 | |||
| python3-libxml2 – 2.9.14+dfsg-1.3ubuntu3.9 | |||
| 22.04 LTS jammy | libxml2 – 2.9.13+dfsg-1ubuntu0.13 | ||
| libxml2-utils – 2.9.13+dfsg-1ubuntu0.13 | |||
| python3-libxml2 – 2.9.13+dfsg-1ubuntu0.13 | |||
| 20.04 LTS focal | libxml2 – 2.9.10+dfsg-5ubuntu0.20.04.10+esm5 | ||
| python-libxml2 – 2.9.10+dfsg-5ubuntu0.20.04.10+esm5 | |||
| python3-libxml2 – 2.9.10+dfsg-5ubuntu0.20.04.10+esm5 | |||
| 18.04 LTS bionic | libxml2 – 2.9.4+dfsg1-6.1ubuntu1.9+esm8 | ||
| python-libxml2 – 2.9.4+dfsg1-6.1ubuntu1.9+esm8 | |||
| python3-libxml2 – 2.9.4+dfsg1-6.1ubuntu1.9+esm8 | |||
| 16.04 LTS xenial | libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm13 | ||
| libxml2-utils – 2.9.3+dfsg1-1ubuntu0.7+esm13 | |||
| python-libxml2 – 2.9.3+dfsg1-1ubuntu0.7+esm13 | |||
| 14.04 LTS trusty | libxml2 – 2.9.1+dfsg1-3ubuntu4.13+esm12 | ||
| libxml2-utils – 2.9.1+dfsg1-3ubuntu4.13+esm12 | |||
| python-libxml2 – 2.9.1+dfsg1-3ubuntu4.13+esm12 | |||
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