CVE Explorer

CVE-2026-64607

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.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0817e9e42db15fb7202fc1815987f42b59b144eb7211b1496b897808fc39cce0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://repo.maven.apache.org/maven2/","defaultStatus":"unaffected","packageName":"org.apache.httpcomponents.client5:httpclient5","product":"Apache HttpComponents Client","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"5.6.2","status":"affected","version":"5.0-alpha","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d3269a4441f9f4f1ef5b138de168f32399d657c566c832ff682865e6035c560f · sha256:06339c7cc645c920… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d3269a4441f9f4f1ef5b138de168f32399d657c566c832ff682865e6035c560f · sha256:06339c7cc645c920… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-772","description":"CWE-772 Missing Release of Resource after Effective Lifetime","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:d3269a4441f9f4f1ef5b138de168f32399d657c566c832ff682865e6035c560f · sha256:06339c7cc645c920… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d3269a4441f9f4f1ef5b138de168f32399d657c566c832ff682865e6035c560f · sha256:06339c7cc645c920… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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