Packages
- libarchive - Library to read/write archive files
Details
It was discovered that libarchive did not properly manage memory when
unpacking certain RAR5 archives, leading to a double free. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-14164)
It was discovered that libarchive did not properly validate certain tar
archives, leading to a buffer overflow. A remote attacker could possibly
use this issue to cause a denial of service or execute arbitrary code.
This issue only affected Ubuntu 26.04 LTS. (CVE-2026-15028)
It was discovered that libarchive did not properly validate certain
malformed ACL entries. An attacker could possibly use this issue to cause a
denial of service. (CVE-2026-5745)
It was discovered that libarchive did not properly manage memory when
unpacking certain RAR5 archives, leading to a double free. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2026-14164)
It was discovered that libarchive did not properly validate certain tar
archives, leading to a buffer overflow. A remote attacker could possibly
use this issue to cause a denial of service or execute arbitrary code.
This issue only affected Ubuntu 26.04 LTS. (CVE-2026-15028)
It was discovered that libarchive did not properly validate certain
malformed ACL entries. An attacker could possibly use this issue to cause a
denial of service. (CVE-2026-5745)
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 | libarchive-dev – 3.8.5-1ubuntu2.2 | ||
| libarchive-tools – 3.8.5-1ubuntu2.2 | |||
| libarchive13t64 – 3.8.5-1ubuntu2.2 | |||
| 24.04 LTS noble | libarchive-dev – 3.7.2-2ubuntu0.8 | ||
| libarchive-tools – 3.7.2-2ubuntu0.8 | |||
| libarchive13t64 – 3.7.2-2ubuntu0.8 | |||
| 22.04 LTS jammy | libarchive-dev – 3.6.0-1ubuntu1.8 | ||
| libarchive-tools – 3.6.0-1ubuntu1.8 | |||
| libarchive13 – 3.6.0-1ubuntu1.8 | |||
| 20.04 LTS focal | libarchive-dev – 3.4.0-2ubuntu1.5+esm3 | ||
| libarchive-tools – 3.4.0-2ubuntu1.5+esm3 | |||
| libarchive13 – 3.4.0-2ubuntu1.5+esm3 | |||
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