CVE-2019-9674

Name: CVE-2019-9674
Creator: NVD / NIST
Published: 2020-02-04T15:15:11.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.49%

Last modified Jun 17, 2026

CVE-2019-9674 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.. EPSS estimates a 5.49% chance of exploitation in the next 30 days.

Description

Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.49%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Python	Python	>= 3.2, <= 3.8
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04
Netapp	Active Iq Unified Manager	All versions

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.htmlBroken Link
https://bugs.python.org/issue36260Issue Tracking, Vendor Advisory
https://bugs.python.org/issue36462Issue Tracking, Vendor Advisory
https://github.com/python/cpython/blob/master/Lib/zipfile.pyThird Party Advisory
https://python-security.readthedocs.io/security.html#archives-and-zip-bombVendor Advisory
https://security.netapp.com/advisory/ntap-20200221-0003/Third Party Advisory
https://usn.ubuntu.com/4428-1/Third Party Advisory
https://www.python.org/news/security/Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.htmlBroken Link
https://bugs.python.org/issue36260Issue Tracking, Vendor Advisory
https://bugs.python.org/issue36462Issue Tracking, Vendor Advisory
https://github.com/python/cpython/blob/master/Lib/zipfile.pyThird Party Advisory
https://python-security.readthedocs.io/security.html#archives-and-zip-bombVendor Advisory
https://security.netapp.com/advisory/ntap-20200221-0003/Third Party Advisory
https://usn.ubuntu.com/4428-1/Third Party Advisory
https://www.python.org/news/security/Vendor Advisory

Timeline

Published: Feb 4, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2019-9674?

Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.

How severe is CVE-2019-9674?

CVE-2019-9674 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.49% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9674?

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-2019-9674?

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

Scan your code now

Source: NVD / NIST