Packages
- xz-utils - XZ-format compression utilities
Details
It was discovered that XZ Utils did not properly manage memory when
attempting to append data to a decoded index that contained no records.
An attacker could possibly use this issue to cause XZ Utils to crash,
resulting in a denial of service, or execute arbitrary code.
It was discovered that XZ Utils did not properly manage memory when
attempting to append data to a decoded index that contained no records.
An attacker could possibly use this issue to cause XZ Utils to crash,
resulting in a denial of service, or execute arbitrary code.
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 | ||
|---|---|---|---|
| 25.10 questing | liblzma5 – 5.8.1-1ubuntu0.1 | ||
| xz-utils – 5.8.1-1ubuntu0.1 | |||
| xzdec – 5.8.1-1ubuntu0.1 | |||
| 24.04 LTS noble | liblzma5 – 5.6.1+really5.4.5-1ubuntu0.3 | ||
| xz-utils – 5.6.1+really5.4.5-1ubuntu0.3 | |||
| xzdec – 5.6.1+really5.4.5-1ubuntu0.3 | |||
| 22.04 LTS jammy | liblzma5 – 5.2.5-2ubuntu1.1 | ||
| xz-utils – 5.2.5-2ubuntu1.1 | |||
| xzdec – 5.2.5-2ubuntu1.1 | |||
| 20.04 LTS focal | liblzma5 – 5.2.4-1ubuntu1.1+esm1 | ||
| xz-utils – 5.2.4-1ubuntu1.1+esm1 | |||
| xzdec – 5.2.4-1ubuntu1.1+esm1 | |||
| 18.04 LTS bionic | liblzma5 – 5.2.2-1.3ubuntu0.1+esm1 | ||
| xz-utils – 5.2.2-1.3ubuntu0.1+esm1 | |||
| 16.04 LTS xenial | liblzma5 – 5.1.1alpha+20120614-2ubuntu2.16.04.1+esm2 | ||
| xz-utils – 5.1.1alpha+20120614-2ubuntu2.16.04.1+esm2 | |||
| xzdec – 5.1.1alpha+20120614-2ubuntu2.16.04.1+esm2 | |||
| 14.04 LTS trusty | liblzma5 – 5.1.1alpha+20120614-2ubuntu2.14.04.1+esm2 | ||
| xz-utils – 5.1.1alpha+20120614-2ubuntu2.14.04.1+esm2 | |||
| xzdec – 5.1.1alpha+20120614-2ubuntu2.14.04.1+esm2 | |||
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