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CVE-2025-68480 Detail

Description

Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes. In versions from 3.0.0rc1 to before 3.26.2 and from 4.0.0 to before 4.1.2, Schema.load(data, many=True) is vulnerable to denial of service attacks. A moderately sized request can consume a disproportionate amount of CPU time. This issue has been patched in version 3.26.2 and 4.1.2.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/marshmallow-code/marshmallow/commit/d24a0c9df061c4daa92f71cf85aca25b83eee508 GitHub, Inc.
https://github.com/marshmallow-code/marshmallow/security/advisories/GHSA-428g-f7cq-pgp5 GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-405 Asymmetric Resource Consumption (Amplification) GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-68480
NVD Published Date:
12/22/2025
NVD Last Modified:
12/22/2025
Source:
GitHub, Inc.