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Description

LibreChat version 0.7.9 is vulnerable to a Denial of Service (DoS) attack due to unbounded parameter values in the `/api/memories` endpoint. The `key` and `value` parameters accept arbitrarily large inputs without proper validation, leading to a null pointer error in the Rust-based backend when excessively large values are submitted. This results in the inability to create new memories, impacting the stability of the service.

PUBLISHED Reserved 2025-08-10 | Published 2025-10-30 | Updated 2025-10-31 | Assigner @huntr_ai




MEDIUM: 5.4CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Problem types

CWE-400 Uncontrolled Resource Consumption

Product status

Any version before v0.8.0-rc2
affected

References

huntr.com/bounties/e9d9404c-cd19-4226-a580-9cba14b7d7d6

github.com/...ommit/edf33bedcbb08c33e59df76f06454ed7efd896f9

cve.org (CVE-2025-8849)

nvd.nist.gov (CVE-2025-8849)

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