{"id":"CVE-2025-68480","state":"PUBLISHED","title":"Marshmallow has DoS in Schema.load(many)","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.","publishedAt":"2025-12-22T21:20:15.958Z","updatedAt":"2025-12-22T21:35:02.469Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["marshmallow-code marshmallow"],"affected":[{"vendor":"marshmallow-code","product":"marshmallow","versions":[{"version":">= 3.0.0rc1, < 3.26.2","status":"affected"},{"version":">= 4.0.0, < 4.1.2","status":"affected"}]}],"references":["https://github.com/marshmallow-code/marshmallow/security/advisories/GHSA-428g-f7cq-pgp5","https://github.com/marshmallow-code/marshmallow/commit/d24a0c9df061c4daa92f71cf85aca25b83eee508"],"weaknesses":["CWE-405"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68480.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68480","state":"PUBLISHED","datePublished":"2025-12-22T21:20:15.958Z","dateUpdated":"2025-12-22T21:35:02.469Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-12-18T18:29:07.309Z"},"containers":{"cna":{"title":"Marshmallow has DoS in Schema.load(many)","descriptions":[{"lang":"en","value":"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":[{"vendor":"marshmallow-code","product":"marshmallow","versions":[{"version":">= 3.0.0rc1, < 3.26.2","status":"affected"},{"version":">= 4.0.0, < 4.1.2","status":"affected"}]}],"references":[{"url":"https://github.com/marshmallow-code/marshmallow/security/advisories/GHSA-428g-f7cq-pgp5","name":"https://github.com/marshmallow-code/marshmallow/security/advisories/GHSA-428g-f7cq-pgp5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/marshmallow-code/marshmallow/commit/d24a0c9df061c4daa92f71cf85aca25b83eee508","name":"https://github.com/marshmallow-code/marshmallow/commit/d24a0c9df061c4daa92f71cf85aca25b83eee508","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-405","lang":"en","description":"CWE-405: Asymmetric Resource Consumption (Amplification)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-12-22T21:20:15.958Z"},"source":{"advisory":"GHSA-428g-f7cq-pgp5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-22T21:34:43.372078Z","id":"CVE-2025-68480","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-22T21:35:02.469Z"}}]}}}