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    CVE-2024-45797

    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.

    Published:Oct 16, 2024
    Last Modified:Nov 3, 2025
    EPS:Oct 16, 2024
    EPSS Score:0.00309
    CVSS Score:7.5

    Affected Products

    Vendor
    Oisf
    Product
    Libhtp

    Exploits

    https://github.com/OISF/libhtp/security/advisories/GHSA-rqqp-24ch-248fhttps://redmine.openinfosecfoundation.org/issues/7191

    Related CVEs

    CVE-2025-53537 (CVSS 7.5) — LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 an…
    CVE-2024-28871 (CVSS 7.5) — LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may pa…
    CVE-2024-23837 (CVSS 7.5) — LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time o…
    CVE-2019-17420 (CVSS 5.3) — In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error cau…
    CVE-2018-10243 (CVSS 9.8) — htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26 allows remote attackers to cause a heap-based…
    CVE-2015-0928 (CVSS 7.5) — libhtp 0.5.15 allows remote attackers to cause a denial of service (NULL pointer dereference).…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High