Advisory Published

USN-6298-1: ZZIPlib vulnerabilities

First published: Thu Aug 17 2023(Updated: )

Liu Zhu discovered that ZZIPlib incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2018-7727) YiMing Liu discovered that ZZIPlib incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-18442)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libzzip-0-13<0.13.62-3.2ubuntu1.1
0.13.62-3.2ubuntu1.1
Ubuntu=20.04
All of
ubuntu/libzzip-dev<0.13.62-3.2ubuntu1.1
0.13.62-3.2ubuntu1.1
Ubuntu=20.04
All of
ubuntu/zziplib-bin<0.13.62-3.2ubuntu1.1
0.13.62-3.2ubuntu1.1
Ubuntu=20.04
All of
ubuntu/libzzip-0-13<0.13.62-3.1ubuntu0.18.04.1+esm1
0.13.62-3.1ubuntu0.18.04.1+esm1
Ubuntu=18.04
All of
ubuntu/libzzip-dev<0.13.62-3.1ubuntu0.18.04.1+esm1
0.13.62-3.1ubuntu0.18.04.1+esm1
Ubuntu=18.04
All of
ubuntu/zziplib-bin<0.13.62-3.1ubuntu0.18.04.1+esm1
0.13.62-3.1ubuntu0.18.04.1+esm1
Ubuntu=18.04
All of
ubuntu/libzzip-0-13<0.13.62-3ubuntu0.16.04.2+esm1
0.13.62-3ubuntu0.16.04.2+esm1
Ubuntu=16.04
All of
ubuntu/libzzip-dev<0.13.62-3ubuntu0.16.04.2+esm1
0.13.62-3ubuntu0.16.04.2+esm1
Ubuntu=16.04
All of
ubuntu/zziplib-bin<0.13.62-3ubuntu0.16.04.2+esm1
0.13.62-3ubuntu0.16.04.2+esm1
Ubuntu=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6298-1?

    The severity of USN-6298-1 is classified as a denial of service vulnerability.

  • How do I fix USN-6298-1?

    To fix USN-6298-1, upgrade your ZZIPlib packages to the latest version specified in the advisory.

  • Which systems are affected by USN-6298-1?

    USN-6298-1 affects Ubuntu 20.04, 18.04, and 16.04 with specific versions of libzzip-0-13, libzzip-dev, and zziplib-bin.

  • What is the risk posed by USN-6298-1?

    The risk posed by USN-6298-1 is the potential for denial of service if a specially crafted input file is opened.

  • Who discovered the vulnerability in USN-6298-1?

    The vulnerability in USN-6298-1 was discovered by Liu Zhu and YiMing Liu.

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