CVE-2019-9674

HIGHNVD 7.57.5—

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 80.9%
KEV: Not listed

Published

February 4, 2020

Last Modified

December 31, 2025

References (18)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html
cve@mitrehttps://bugs.python.org/issue36260
cve@mitrehttps://bugs.python.org/issue36462
cve@mitrehttps://github.com/python/cpython/blob/master/Lib/zipfile.py
cve@mitrehttps://python-security.readthedocs.io/security.html#archives-and-zip-bomb
cve@mitrehttps://security.netapp.com/advisory/ntap-20200221-0003/
cve@mitrehttps://usn.ubuntu.com/4428-1/
cve@mitrehttps://www.python.org/news/security/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html
af854a3a-2127-422b-91ae-364da2661108https://bugs.python.org/issue36260
af854a3a-2127-422b-91ae-364da2661108https://bugs.python.org/issue36462
af854a3a-2127-422b-91ae-364da2661108https://github.com/python/cpython/blob/master/Lib/zipfile.py
af854a3a-2127-422b-91ae-364da2661108https://python-security.readthedocs.io/security.html#archives-and-zip-bomb

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	python3.8-venv (3.8.2-1ubuntu1.2) @ focal	2026-05-27	ubuntu
ubuntu	python2.7-minimal (2.7.18-1~20.04.1) @ focal	2026-05-27	ubuntu
ubuntu	python2.7-minimal (2.7.18-13ubuntu1.5+esm3) @ jammy	2026-05-27	ubuntu
ubuntu	python3.5-venv (3.5.2-2ubuntu0~16.04.13+esm13) @ xenial	2026-05-27	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

All Vendor Advisories

(5)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 08:19 UTCEG score recompute
2026-05-27 08:19 UTCVendor advisory
2026-05-27 08:19 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-9674?

CVE-2019-9674 is a high vulnerability published on February 4, 2020. Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.

When was CVE-2019-9674 disclosed?

CVE-2019-9674 was first published in the National Vulnerability Database on February 4, 2020, with the most recent update on December 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-9674 actively exploited?

CVE-2019-9674 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9674?

CVE-2019-9674 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2019-9674?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9674, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-9674

Published

Last Modified

References (18)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9674?

Same vendor

Same CWE

CVE-2019-9674

📅 Published

🔄 Last Modified

🔗 References (18)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9674?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (18)

Frequently asked(5)

Related CVEs(same vendor + same CWE)