CVE-2020-18442: Low severity zziplib vulnerability

Published Jun 18, 2021
·
Updated

Infinite Loop in zziplib v0.13.69 allows remote attackers to cause a denial of service via the return value "zzipfileread" in the function "unzzipcatfile".

Affected Software

10 affected componentsFixes available
debian/zziplib
0.13.62-3.2+deb10u10.13.62-3.3+deb11u10.13.72+dfsg.1-1.1
ubuntu/zziplib<0.13.72+dfsg.1-1
0.13.72+dfsg.1-1
ubuntu/zziplib<0.13.62-3.1ubuntu0.18.04.1+
0.13.62-3.1ubuntu0.18.04.1+
ubuntu/zziplib<0.13.62-3.2ubuntu1.1
0.13.62-3.2ubuntu1.1
ubuntu/zziplib<0.13.62-3ubuntu0.16.04.2+
0.13.62-3ubuntu0.16.04.2+
Zziplib Project Zziplib=0.13.69
Debian Debian Linux=9.0
Fedoraproject Fedora=34
Fedoraproject Fedora=35
gdraheim zziplib=0.13.69

Event History

Jun 18, 2021
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·02:25 PM
Data Sourced
via MITRE·02:25 PM
Description
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:44 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2020-18442?

CVE-2020-18442 is identified as a denial of service vulnerability due to an infinite loop in zziplib.

2

How do I fix CVE-2020-18442?

To resolve CVE-2020-18442, upgrade zziplib to versions 0.13.62-3.2+deb10u1, 0.13.62-3.3+deb11u1, or 0.13.72+dfsg.1-1.

3

What versions of zziplib are affected by CVE-2020-18442?

Affected versions of zziplib include 0.13.69; upgrading to a fixed version is necessary.

4

Can remote attackers exploit CVE-2020-18442?

Yes, remote attackers can exploit CVE-2020-18442 to create a denial of service condition.

5

What systems are impacted by CVE-2020-18442?

CVE-2020-18442 impacts systems running affected versions of zziplib, including Debian and Fedora.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203