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    14 vulnerabilities found for libhtp by OISF

    CVE-2025-53537 (GCVE-0-2025-53537)

    Vulnerability from nvd – Published: 2025-07-23 20:35 – Updated: 2025-07-23 20:48
    VLAI
    Title
    LibHTP's memory leak with lzma can lead to resource starvation
    Summary
    LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing Release of Memory after Effective Lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.51
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-45797 (GCVE-0-2024-45797)

    Vulnerability from nvd – Published: 2024-10-16 18:45 – Updated: 2025-11-03 18:08
    VLAI
    Title
    LibHTP's unbounded header handling leads to denial service
    Summary
    LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Prior to version 0.5.49, unbounded processing of HTTP request and response headers can lead to excessive CPU time and memory utilization, possibly leading to extreme slowdowns. This issue is addressed in 0.5.49.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.49
    Create a notification for this product.
    oisf libhtp Affected: 0 , < 0.5.49 (custom)
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-28871 (GCVE-0-2024-28871)

    Vulnerability from nvd – Published: 2024-04-04 14:46 – Updated: 2024-08-26 20:45
    VLAI
    Title
    Excessive CPU used on malformed traffic
    Summary
    LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: = 0.5.46
    Create a notification for this product.
    oisf libhtp Affected: 0.5.46
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-23837 (GCVE-0-2024-23837)

    Vulnerability from nvd – Published: 2024-02-26 16:17 – Updated: 2025-11-03 18:08
    VLAI
    Title
    LibHTP unbounded folded header handling leads to denial service
    Summary
    LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service. This issue is addressed in 0.5.46.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.46
    Create a notification for this product.
    oisf libhtp Affected: 0 , < 0.5.46 (custom)
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    fedoraproject fedora Affected: 38
        cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
    Create a notification for this product.
    fedoraproject fedora Affected: 39
        cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2019-17420 (GCVE-0-2019-17420)

    Vulnerability from nvd – Published: 2019-10-09 23:29 – Updated: 2024-08-05 01:40
    VLAI
    Summary
    In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2018-10243 (GCVE-0-2018-10243)

    Vulnerability from nvd – Published: 2019-04-04 15:10 – Updated: 2024-08-05 07:32
    VLAI
    Summary
    htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-07-18 00:00
    Show details on NVD website

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    CVE-2015-0928 (GCVE-0-2015-0928)

    Vulnerability from nvd – Published: 2017-08-28 15:00 – Updated: 2024-08-06 04:26
    VLAI
    Summary
    libhtp 0.5.15 allows remote attackers to cause a denial of service (NULL pointer dereference).
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2014-12-12 00:00
    Show details on NVD website

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    CVE-2025-53537 (GCVE-0-2025-53537)

    Vulnerability from cvelistv5 – Published: 2025-07-23 20:35 – Updated: 2025-07-23 20:48
    VLAI
    Title
    LibHTP's memory leak with lzma can lead to resource starvation
    Summary
    LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-401 - Missing Release of Memory after Effective Lifetime
    Assigner
    References
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.51
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-45797 (GCVE-0-2024-45797)

    Vulnerability from cvelistv5 – Published: 2024-10-16 18:45 – Updated: 2025-11-03 18:08
    VLAI
    Title
    LibHTP's unbounded header handling leads to denial service
    Summary
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    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.49
    Create a notification for this product.
    oisf libhtp Affected: 0 , < 0.5.49 (custom)
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-28871 (GCVE-0-2024-28871)

    Vulnerability from cvelistv5 – Published: 2024-04-04 14:46 – Updated: 2024-08-26 20:45
    VLAI
    Title
    Excessive CPU used on malformed traffic
    Summary
    LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: = 0.5.46
    Create a notification for this product.
    oisf libhtp Affected: 0.5.46
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-23837 (GCVE-0-2024-23837)

    Vulnerability from cvelistv5 – Published: 2024-02-26 16:17 – Updated: 2025-11-03 18:08
    VLAI
    Title
    LibHTP unbounded folded header handling leads to denial service
    Summary
    LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service. This issue is addressed in 0.5.46.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    Impacted products
    Vendor Product Version
    OISF libhtp Affected: < 0.5.46
    Create a notification for this product.
    oisf libhtp Affected: 0 , < 0.5.46 (custom)
        cpe:2.3:a:oisf:libhtp:*:*:*:*:*:*:*:*
    Create a notification for this product.
    fedoraproject fedora Affected: 38
        cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
    Create a notification for this product.
    fedoraproject fedora Affected: 39
        cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2019-17420 (GCVE-0-2019-17420)

    Vulnerability from cvelistv5 – Published: 2019-10-09 23:29 – Updated: 2024-08-05 01:40
    VLAI
    Summary
    In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2018-10243 (GCVE-0-2018-10243)

    Vulnerability from cvelistv5 – Published: 2019-04-04 15:10 – Updated: 2024-08-05 07:32
    VLAI
    Summary
    htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based buffer over-read via an authorization digest header.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-07-18 00:00
    Show details on NVD website

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    CVE-2015-0928 (GCVE-0-2015-0928)

    Vulnerability from cvelistv5 – Published: 2017-08-28 15:00 – Updated: 2024-08-06 04:26
    VLAI
    Summary
    libhtp 0.5.15 allows remote attackers to cause a denial of service (NULL pointer dereference).
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2014-12-12 00:00
    Show details on NVD website

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