CVE-2025-68480
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| marshmallow-code | marshmallow | >= 3.0.0rc1, < 3.26.2 | affected |
| marshmallow-code | marshmallow | >= 4.0.0, < 4.1.2 | affected |
Weaknesses
- CWE-405: CWE-405: Asymmetric Resource Consumption (Amplification)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/marshmallow-code/marshmallow/security/advisories/GHSA-428g-f7cq-pgp5
- https://github.com/marshmallow-code/marshmallow/commit/d24a0c9df061c4daa92f71cf85aca25b83eee508
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