{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-4565","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2025-05-12T05:48:12.941Z","datePublished":"2025-06-16T14:50:40.906Z","dateUpdated":"2025-06-16T15:39:18.263Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://github.com/protocolbuffers/protobuf/","defaultStatus":"unaffected","packageName":"protobuf","product":"Python-Protobuf","programFiles":["python/google/protobuf/internal/decoder.py"],"repo":"https://github.com/protocolbuffers/protobuf/","vendor":"protocolbuffers","versions":[{"lessThan":"4.25.8","status":"affected","version":"0","versionType":"semver"},{"lessThan":"5.29.5","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.31.1","status":"affected","version":"0","versionType":"semver"}]},{"collectionURL":"https://pypi.org/project/protobuf/","defaultStatus":"unaffected","product":"Python-Protobuf","repo":"https://pypi.org/project/protobuf/","vendor":"protocolbuffers","versions":[{"lessThan":"4.25.8","status":"affected","version":"0","versionType":"semver"},{"lessThan":"5.29.5","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.31.1","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Alexis Challande - Trail of Bits Ecosystem Security Team"}],"datePublic":"2025-05-12T22:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Any project that uses </span><strong>Protobuf Pure-Python backend</strong><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;to parse untrusted Protocol Buffers data containing an arbitrary number of recursive </span><code>group</code><span style=\"background-color: rgb(255, 255, 255);\">s, recursive </span><code>message</code><span style=\"background-color: rgb(255, 255, 255);\">s or a series of </span><code>SGROUP</code><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;tags can be corrupted by exceeding the Python recursion limit. This can result in a Denial of service by crashing the application with a RecursionError. We recommend upgrading to version =&gt;6.31.1 or beyond commit&nbsp;17838beda2943d08b8a9d4df5b68f5f04f26d901</span><br>"}],"value":"Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by exceeding the Python recursion limit. This can result in a Denial of service by crashing the application with a RecursionError. We recommend upgrading to version =>6.31.1 or beyond commit 17838beda2943d08b8a9d4df5b68f5f04f26d901"}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674 Uncontrolled Recursion","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2025-06-16T14:50:40.906Z"},"references":[{"url":"https://github.com/protocolbuffers/protobuf/commit/17838beda2943d08b8a9d4df5b68f5f04f26d901"}],"source":{"discovery":"EXTERNAL"},"title":"Unbounded recursion in Python Protobuf","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-16T15:38:57.654894Z","id":"CVE-2025-4565","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-16T15:39:18.263Z"}}]}}