Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-9674

CVE-2019-9674HIGH

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

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0564   92.9     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Mar 11  Reserved by mitre
  Feb 4   Published (CNA: mitre)
  Oct 8   ENRICHED — CVE-2019-9674. Received CVSS 7.5 and CPE data from NVD.

CWE-400 · CNA: mitre · CVSS v3.1 · 10 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 11, 2019	Reserved	Reserved by mitre
February 4, 2020	Published	Published (CNA: mitre)
October 8, 2026	ENRICHED	ENRICHED — CVE-2019-9674. Received CVSS 7.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-400

References (10)

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html [Broken Link]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html [Broken Link]
https://bugs.python.org/issue36260 [Issue Tracking, Vendor Advisory]
https://bugs.python.org/issue36462 [Issue Tracking, Vendor Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://github.com/python/cpython/blob/master/Lib/zipfile.py [Third Party Advisory]
https://python-security.readthedocs.io/security.html#archives-and-zip-bomb [Vendor 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]

Authoritative record: CVE-2019-9674 at cve.org

Weaknesses: CWE-400

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-9674 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.