CVE-2024-8984: Denial of Service (DoS) in berriai/litellm

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-03-20 · updated 2026-06-17
Weakness: CWE-770

Description

A Denial of Service (DoS) vulnerability exists in berriai/litellm version v1.44.5. This vulnerability can be exploited by appending characters, such as dashes (-), to the end of a multipart boundary in an HTTP request. The server continuously processes each character, leading to excessive resource consumption and rendering the service unavailable. The issue is unauthenticated and does not require any user interaction, impacting all users of the service.

Affected products

BerriAI litellm: before 1.65.4; 1.65.4-dev2, 1.65.4-dev6, 1.65.4-dev8, 1.65.4-nightly — fixed in 1.65.4

How to fix

Upgrade to a fixed version: BerriAI litellm 1.65.4. Check the vendor advisory for mitigations.

References

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