CVE-2026-64607: CWE-772 Missing Release of Resource after Effective Lifetime in Apache Software Foundation Apache HttpComponents Client
HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported `Content-Encoding` header value in the response message. Please note this defect does not affect HttpClient based on the async i/o model. This issue affects Apache HttpComponents Client: from 5.0-alpha1 through 5.6.2.
CVE-2026-64607: CWE-772 Missing Release of Resource after Effective Lifetime in Apache Software Foundation Apache HttpComponents Client
Description
HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported `Content-Encoding` header value in the response message. Please note this defect does not affect HttpClient based on the async i/o model. This issue affects Apache HttpComponents Client: from 5.0-alpha1 through 5.6.2.
Affected software
pkg:maven/Apache Software Foundation/org.apache.httpcomponents.client5:httpclient5Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-20T08:23:45.493Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6c777c9c2644c7f8ab1bb1
Added to database: 07/31/2026, 10:22:52 UTC
Last updated: 07/31/2026, 11:24:48 UTC
Views: 6
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