Missing Release of Resource after Effective Lifetime Affecting s3proxy package, versions <4.0.0-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.48% (40th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-S3PROXY-18852031
  • published16 Aug 2026
  • disclosed31 Jul 2026

Introduced: 31 Jul 2026

NewCVE-2026-64607  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Chainguard s3proxy to version 4.0.0-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream s3proxy package and not the s3proxy package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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.