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Ubuntu 25.10 libarchive Important Denial of Service Risks USN-8147-1

ubuntu
Calendar Grey April 6, 2026
Dist Ubuntu Esm H88
Several security issues identified in libarchive across multiple Ubuntu releases, including important patches for denial of service.
Several security issues were fixed in libarchive.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in libarchive. Software Description: - libarchive: Library to read/write archive files Details: It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 14.04 LTS. (CVE-2019-19221) It was discovered that libarchive incorrectly handled certain RAR archive files. If a user or automated system were tricked into processing a specially crafted RAR archive, an attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-20696) It was discovered that libarchi...

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Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu important libarchive

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 libarchive-dev 3.7.7-0ubuntu3.1 libarchive-tools 3.7.7-0ubuntu3.1 libarchive13t64 3.7.7-0ubuntu3.1 Ubuntu 24.04 LTS libarchive-dev 3.7.2-2ubuntu0.6 libarchive-tools 3.7.2-2ubuntu0.6 libarchive13t64 3.7.2-2ubuntu0.6 Ubuntu 22.04 LTS libarchive-dev 3.6.0-1ubuntu1.6 libarchive-tools 3.6.0-1ubuntu1.6 libarchive13 3.6.0-1ubuntu1.6 Ubuntu 20.04 LTS libarchive-dev 3.4.0-2ubuntu1.5+esm1 Available with Ubuntu Pro libarchive-tools 3.4.0-2ubuntu1.5+esm1 Available with Ubuntu Pro libarchive13 3.4.0-2ubuntu1.5+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS bsdcpio 3.2.2-3.1ubuntu0.7+esm2 Available with Ubuntu Pro bsdtar 3.2.2-3.1ubuntu0.7+esm2 Available with Ubuntu Pro libarchive-dev 3.2.2-3.1ubuntu0.7+esm2 Available with Ubuntu Pro libarchive-tools 3.2.2-3.1ubuntu0.7+esm2 Available with Ubuntu Pro libarchive13 3.2.2-3.1ubuntu0.7+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS bsdcpio 3.1.2-11ubuntu0.16.04.8+esm2 Available with Ubuntu Pro bsdtar 3.1.2-11ubuntu0.16.04.8+esm2 Available with Ubuntu Pro libarchive-dev 3.1.2-11ubuntu0.16.04.8+esm2 Available with Ubuntu Pro libarchive13 3.1.2-11ubuntu0.16.04.8+esm2 Available with Ubuntu Pro Ubuntu 14.04 LTS bsdcpio 3.1.2-7ubuntu2.8+esm4 Available with Ubuntu Pro bsdtar 3.1.2-7ubuntu2.8+esm4 Available with Ubuntu Pro libarchive-dev 3.1.2-7ubuntu2.8+esm4 Available with Ubuntu Pro libarchive13 3.1.2-7ubuntu2.8+esm4 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8147-1

CVE-2019-19221, CVE-2024-20696, CVE-2025-25724, CVE-2025-5914,

CVE-2025-5916, CVE-2025-5917, CVE-2025-5918, CVE-2025-60753,

CVE-2026-4111

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8147-1

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu important libarchive

Package Information

https://launchpad.net/ubuntu/+source/libarchive/3.7.7-0ubuntu3.1 https://launchpad.net/ubuntu/+source/libarchive/3.7.2-2ubuntu0.6 https://launchpad.net/ubuntu/+source/libarchive/3.6.0-1ubuntu1.6

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