7.5
HIGH
CVE-2024-28871
LibHTP denotes HTTP Denial of Service
Description

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.

INFO

Published Date :

April 4, 2024, 3:15 p.m.

Last Modified :

June 30, 2025, 2:54 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2024-28871 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Oisf libhtp

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-28871 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-28871 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 30, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:oisf:libhtp:0.5.46:*:*:*:*:*:*:*
    Added Reference Type CVE: https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed Types: Patch
    Added Reference Type CVE: https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d Types: Patch
    Added Reference Type CVE: https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg Types: Vendor Advisory
    Added Reference Type GitHub, Inc.: https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg Types: Vendor Advisory
    Added Reference Type CVE: https://redmine.openinfosecfoundation.org/issues/6757 Types: Issue Tracking
    Added Reference Type GitHub, Inc.: https://redmine.openinfosecfoundation.org/issues/6757 Types: Issue Tracking
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed
    Added Reference https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d
    Added Reference https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg
    Added Reference https://redmine.openinfosecfoundation.org/issues/6757
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by [email protected]

    Apr. 04, 2024

    Action Type Old Value New Value
    Added Description 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.
    Added Reference GitHub, Inc. https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg [No types assigned]
    Added Reference GitHub, Inc. https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed [No types assigned]
    Added Reference GitHub, Inc. https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d [No types assigned]
    Added Reference GitHub, Inc. https://redmine.openinfosecfoundation.org/issues/6757 [No types assigned]
    Added CWE GitHub, Inc. CWE-770
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-28871 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jul. 15, 2025 18:46