CVE-2019-17582

Name: CVE-2019-17582
Creator: NVD / NIST
Published: 2021-02-09T19:15:12.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.45%

Last modified Jun 17, 2026

CVE-2019-17582 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858.". EPSS estimates a 2.45% chance of exploitation in the next 30 days.

Description

A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858."

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.45%

82.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Libzip	Libzip	1.2.0

References

https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796Patch, Third Party Advisory
https://github.com/nih-at/libzip/issues/5Third Party Advisory
https://libzip.org/libzip-discuss/Release Notes, Vendor Advisory
https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796Patch, Third Party Advisory
https://github.com/nih-at/libzip/issues/5Third Party Advisory
https://libzip.org/libzip-discuss/Release Notes, Vendor Advisory

Timeline

Published: Feb 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17582?

How severe is CVE-2019-17582?

CVE-2019-17582 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17582?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17582?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST