CVE-2026-64607
ANALYSIS PENDINGApache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q
Details
CWE
CWE-772
Status
published
Products (1)
Apache Software Foundation/Apache HttpComponents Client
5.0-alpha - 5.6.2
Published
Jul 31, 2026
Tracked Since
Jul 31, 2026