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    12 vulnerabilities found for libmicrohttpd by gnu

    CVE-2025-62689 (GCVE-0-2025-62689)

    Vulnerability from nvd – Published: 2025-11-10 04:10 – Updated: 2025-11-14 18:01
    VLAI
    Summary
    NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
    Severity
    7.5 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-14 18:01 UTC
    CWE
    • CWE-122 - Heap-based buffer overflow
    Assigner
    jpcert CNA under the jpcert root
    CNA scorecard C 64/100 over 176 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU Project GNU libbmicrohttpd Affected: v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repository
    Affected: after the v1.0.2 tag.)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-59777 (GCVE-0-2025-59777)

    Vulnerability from nvd – Published: 2025-11-10 04:10 – Updated: 2025-11-10 21:41
    VLAI
    Summary
    NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
    Severity
    7.5 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-10 21:40 UTC
    CWE
    • CWE-476 - NULL pointer dereference
    Assigner
    jpcert CNA under the jpcert root
    CNA scorecard C 64/100 over 176 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU Project GNU libbmicrohttpd Affected: v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repository
    Affected: after the v1.0.2 tag.)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2023-27371 (GCVE-0-2023-27371)

    Vulnerability from nvd – Published: 2023-02-28 00:00 – Updated: 2026-10-14 22:32
    VLAI
    Summary
    GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function.
    Severity
    5.9 (Medium)
    CVSS:3.1/AC:H/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-03-11 15:18 UTC
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2021-3466 (GCVE-0-2021-3466)

    Vulnerability from nvd – Published: 2021-03-25 00:00 – Updated: 2024-08-03 16:53
    VLAI
    Summary
    A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
    Severity
    No CVSS data available.
    CWE
    Assigner
    redhat CNA under the redhat root
    CNA scorecard B 82/100 over 1036 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    n/a libmicrohttpd Affected: libmicrohttpd 0.9.70
    Show details on NVD website
    To clipboard 

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    CVE-2013-7039 (GCVE-0-2013-7039)

    Vulnerability from nvd – Published: 2013-12-13 17:00 – Updated: 2024-08-06 17:53
    VLAI
    Summary
    Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long URI in an authentication header.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Date Public
    2013-11-29 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2013-7038 (GCVE-0-2013-7038)

    Vulnerability from nvd – Published: 2013-12-13 17:00 – Updated: 2024-08-06 17:53
    VLAI
    Summary
    The MHD_http_unescape function in libmicrohttpd before 0.9.32 might allow remote attackers to obtain sensitive information or cause a denial of service (crash) via unspecified vectors that trigger an out-of-bounds read.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Date Public
    2013-12-03 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2025-62689 (GCVE-0-2025-62689)

    Vulnerability from cvelistv5 – Published: 2025-11-10 04:10 – Updated: 2025-11-14 18:01
    VLAI
    Summary
    NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
    Severity
    7.5 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-14 18:01 UTC
    CWE
    • CWE-122 - Heap-based buffer overflow
    Assigner
    jpcert CNA under the jpcert root
    CNA scorecard C 64/100 over 176 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU Project GNU libbmicrohttpd Affected: v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repository
    Affected: after the v1.0.2 tag.)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-59777 (GCVE-0-2025-59777)

    Vulnerability from cvelistv5 – Published: 2025-11-10 04:10 – Updated: 2025-11-10 21:41
    VLAI
    Summary
    NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
    Severity
    7.5 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-10 21:40 UTC
    CWE
    • CWE-476 - NULL pointer dereference
    Assigner
    jpcert CNA under the jpcert root
    CNA scorecard C 64/100 over 176 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU Project GNU libbmicrohttpd Affected: v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repository
    Affected: after the v1.0.2 tag.)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2023-27371 (GCVE-0-2023-27371)

    Vulnerability from cvelistv5 – Published: 2023-02-28 00:00 – Updated: 2026-10-14 22:32
    VLAI
    Summary
    GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-bounds read and a crash in the find_boundary() function.
    Severity
    5.9 (Medium)
    CVSS:3.1/AC:H/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-03-11 15:18 UTC
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2021-3466 (GCVE-0-2021-3466)

    Vulnerability from cvelistv5 – Published: 2021-03-25 00:00 – Updated: 2024-08-03 16:53
    VLAI
    Summary
    A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
    Severity
    No CVSS data available.
    CWE
    Assigner
    redhat CNA under the redhat root
    CNA scorecard B 82/100 over 1036 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    n/a libmicrohttpd Affected: libmicrohttpd 0.9.70
    Show details on NVD website
    To clipboard 

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    CVE-2013-7038 (GCVE-0-2013-7038)

    Vulnerability from cvelistv5 – Published: 2013-12-13 17:00 – Updated: 2024-08-06 17:53
    VLAI
    Summary
    The MHD_http_unescape function in libmicrohttpd before 0.9.32 might allow remote attackers to obtain sensitive information or cause a denial of service (crash) via unspecified vectors that trigger an out-of-bounds read.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Date Public
    2013-12-03 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2013-7039 (GCVE-0-2013-7039)

    Vulnerability from cvelistv5 – Published: 2013-12-13 17:00 – Updated: 2024-08-06 17:53
    VLAI
    Summary
    Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long URI in an authentication header.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 28/100 over 2334 records in the last 180 days details
    References
    Date Public
    2013-11-29 00:00
    Show details on NVD website
    To clipboard 

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