CVE-2025-8849

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Source

https://cve.org/CVERecord?id=CVE-2025-8849

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8849.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-8849

Published

2025-10-30T23:42:41Z

Modified

2026-10-21T02:54:22Z

Severity

5.4 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L CVSS Calculator

Summary

Denial of Service in danny-avila/librechat

Details

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.

Database specific

{
    "cna_assigner":  "@huntr_ai",
    "cwe_ids":  [
        "CWE-400"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8849.json"
}

References

Affected packages

Git / github.com/LibreChat-AI/LibreChat

Affected ranges

Type

GIT

Repo

https://github.com/LibreChat-AI/LibreChat

Events

Introduced

Fixed

007570b5c61e0049c177a7bec44196d310a21b4b

Database specific

Show details

{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "v0.8.0-rc2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "SplitRange"
        },
        {
            "range":  [
                {
                    "fixed":  "edf33bedcbb08c33e59df76f06454ed7efd896f9"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

0.*

0.7.9-NA

librechat-1.*

librechat-1.8.9

v0.*

v0.0.1

v0.0.2

v0.0.3

v0.0.6

v0.1.0

v0.1.1

v0.2.0

v0.3.0

v0.3.3

v0.4.0

v0.4.1

v0.4.2

v0.4.3

v0.4.4

v0.4.5

v0.4.6

v0.4.7

v0.4.8

v0.5.0

v0.5.1

v0.5.2

v0.5.3

v0.5.4

v0.5.5

v0.5.6

v0.5.7

v0.5.8

v0.5.9

v0.6.0

v0.6.1

v0.6.10

v0.6.5

v0.6.6

v0.6.9

v0.7.0

v0.7.1

v0.7.2

v0.7.3

v0.7.3-rc

v0.7.3-rc2

v0.7.4

v0.7.4-rc1

v0.7.5

v0.7.5-rc1

v0.7.5-rc2

v0.7.6

v0.7.6-rc1

v0.7.7

v0.7.7-rc1

v0.7.8

v0.7.8-rc1

v0.7.9

v0.7.9-rc1

v0.8.0-rc1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8849.json"