Advisory Published

USN-7454-1: libarchive vulnerabilities

First published: Wed Apr 23 2025(Updated: )

It was discovered that the libarchive bsdunzip utility incorrectly handled certain ZIP archive files. If a user or automated system were tricked into processing a specially crafted ZIP archive, an attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-1632) It was discovered that libarchive incorrectly handled certain TAR archive files. If a user or automated system were tricked into processing a specially crafted TAR archive, an attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-25724)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libarchive-tools<3.7.7-0ubuntu2.1
3.7.7-0ubuntu2.1
Ubuntu=25.04
All of
ubuntu/libarchive13t64<3.7.7-0ubuntu2.1
3.7.7-0ubuntu2.1
Ubuntu=25.04
All of
ubuntu/libarchive-tools<3.7.4-1ubuntu0.2
3.7.4-1ubuntu0.2
Ubuntu=24.10
All of
ubuntu/libarchive13t64<3.7.4-1ubuntu0.2
3.7.4-1ubuntu0.2
Ubuntu=24.10
All of
ubuntu/libarchive-tools<3.7.2-2ubuntu0.4
3.7.2-2ubuntu0.4
Ubuntu=24.04
All of
ubuntu/libarchive13t64<3.7.2-2ubuntu0.4
3.7.2-2ubuntu0.4
Ubuntu=24.04
All of
ubuntu/libarchive-tools<3.6.0-1ubuntu1.4
3.6.0-1ubuntu1.4
Ubuntu=22.04
All of
ubuntu/libarchive13<3.6.0-1ubuntu1.4
3.6.0-1ubuntu1.4
Ubuntu=22.04
All of
ubuntu/libarchive-tools<3.4.0-2ubuntu1.5
3.4.0-2ubuntu1.5
Ubuntu=20.04
All of
ubuntu/libarchive13<3.4.0-2ubuntu1.5
3.4.0-2ubuntu1.5
Ubuntu=20.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7454-1?

    USN-7454-1 is classified as a critical vulnerability due to the potential for denial of service.

  • How do I fix USN-7454-1?

    To fix USN-7454-1, update the libarchive package to version 3.7.7-0ubuntu2.1 or a later version.

  • Which Ubuntu versions are affected by USN-7454-1?

    USN-7454-1 affects multiple Ubuntu versions including 20.04, 22.04, 24.04, and 25.04.

  • What are the potential consequences of exploiting USN-7454-1?

    Exploiting USN-7454-1 can lead to application crashes and denial of service in systems using the affected libarchive utility.

  • Is there a workaround for USN-7454-1?

    Currently, the best approach for USN-7454-1 is to apply the available updates, as no specific workaround is recommended.

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