CVE-2026-64607

Summary

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

VendorProductVersion RangeStatus
Apache Software FoundationApache HttpComponents Client5.0-alpha <= 5.6.2affected

Weaknesses

  • CWE-772: CWE-772 Missing Release of Resource after Effective Lifetime

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References