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Denial Of Service (DoS)

🗓️ 13 Dec 2025 07:33:46Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode🔗 sca.analysiscenter.veracode.com👁 4 Views

urllib3 has a denial of service vulnerability from an unbounded decompression chain that can exhaust CPU and memory with crafted responses.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Security QRadar EDR Software
11 Feb 202616:52
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses urllib3 which is vulnerable to CVE-2025-66418 and CVE-2025-66471
6 Feb 202606:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses urllib3-2.5.0-py3-none-any.whl which is vulnerable to CVE-2025-66418, CVE-2025-66471.
30 Jan 202606:04
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities due to urllib3
1 Apr 202610:31
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses multiple third party dependencies which is vulnerable to multiple CVEs.
30 Apr 202612:13
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses urllib3-2.5.0-py3-none-any.whl, urllib3-2.6.1-py3-none-any.whl, urllib3-2.6.2-py3-none-any.whl which is vulnerable to CVE-2025-66418, CVE-2025-66471, CVE-2026-21441.
27 Feb 202611:41
–ibm
IBM Security Bulletins		Security Bulletin: High Resource Consumption Vulnerability in urllib3 Streaming API Due to Improper Handling of Highly Compressed Data (≤ v2.6.0) affects watsonx.data
8 Apr 202608:41
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in urllib3-2.5.0-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2025-66418)
2 Feb 202612:03
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities addressed with IBM Business Automation Workflow cumulative fixes April 2026
27 May 202615:10
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities due to urllib3
1 Apr 202610:11
–ibm
Rows per page
Vulners
Node
py3-urllib3py3-urllib3Match2.5.0-r0python
AND
py3-urllib3py3-urllib3Match1.26.20-r0python
AND
alpinelinuxalpine_linuxMatch3.23
OR
urllib3urllib3Range1.24–2.5.0python

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23 Dec 2025 09:45Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.5
CVSS 48.9
EPSS0.00019
SSVC
denial of serviceunbounded decompression chainnested compression layerscrafted responsescpu exhaustionmemory exhaustionurllib3
4