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Vulnerability record · CVE-2024-45797 · published 16 October 2024

CVE-2024-45797: Oisf libhtp allocation without limits vulnerability

Oisf · Libhtp

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.

7.5 CVSS 3.1 High EPSS 0.74% · top 46.9% CWE-770 · Allocation without limits
7.5CVSS 3.1 base score
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OISF/libhtp/security/advisories/GHSA-rqqp-24ch-248f ExploitIssue TrackingPatchVendor Advisory
https://redmine.openinfosecfoundation.org/issues/7191 ExploitIssue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-45797), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.