CVE-2026-64607

MediumCVSS 5.3/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-772

Affected software

No affected versions have been published.

Timeline

Published: Jul 31, 2026
Last modified: Oct 23, 2026
NVD status: Modified

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