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    2 vulnerabilities found for Apache HttpComponents Client by Apache Software Foundation

    CVE-2026-64607 (GCVE-0-2026-64607)

    Vulnerability from nvd – Published: 2026-07-31 10:12 – Updated: 2026-07-31 16:25
    VLAI
    Title
    Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS
    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.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-772 - Missing Release of Resource after Effective Lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache HttpComponents Client Affected: 5.0-alpha , ≤ 5.6.2 (semver)
    		Create a notification for this product.
    Credits
    Yu Bao <by111@126.com>
    Show details on NVD website
    To clipboard 

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    CVE-2026-64607 (GCVE-0-2026-64607)

    Vulnerability from cvelistv5 – Published: 2026-07-31 10:12 – Updated: 2026-07-31 16:25
    VLAI
    Title
    Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS
    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.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-772 - Missing Release of Resource after Effective Lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache HttpComponents Client Affected: 5.0-alpha , ≤ 5.6.2 (semver)
    		Create a notification for this product.
    Credits
    Yu Bao <by111@126.com>
    Show details on NVD website
    To clipboard 

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