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CVE-2024-45797

Oisf Libhtp denial of service

7.5 HIGHPublic exploitEPSS 0.73%
  1. Published16 Oct 2024

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Oisf Libhtp< 0.5.49

Remediation

Fixed in
Oisf Libhtp≥ 0.5.49

References

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Frequently asked

Is CVE-2024-45797 being actively exploited?

CVE-2024-45797 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.73%.

How severe is CVE-2024-45797?

CVE-2024-45797 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2024-45797?

Affected products include Oisf Libhtp.

How do I fix CVE-2024-45797?

Upgrade affected software to a fixed version, for example Oisf Libhtp 0.5.49 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-45797 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.