{"data":{"id":"064d6fc4-c22e-4cd1-9330-b00c2c13b41a","title":"CVE-2024-1455: A vulnerability in the langchain-ai/langchain repository allows for a Billion Laughs Attack, a type of XML External Enti","summary":"CVE-2024-1455 is a vulnerability in the langchain-ai/langchain repository that allows a Billion Laughs Attack, a type of XML External Entity (XXE) exploitation where an attacker nests multiple layers of entities within an XML document to make the parser consume excessive CPU and memory resources, causing a denial of service (DoS, where a system becomes unavailable to legitimate users).","solution":"A patch is available at https://github.com/langchain-ai/langchain/commit/727d5023ce88e18e3074ef620a98137d26ff92a3","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-1455","publishedAt":"2024-03-26T18:15:08.450Z","cveId":"CVE-2024-1455","cweIds":["CWE-776"],"cvssScore":"5.9","cvssSeverity":"medium","severity":"medium","attackType":["denial_of_service"],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["LangChain"],"affectedVendorsRaw":["langchain-ai/langchain","LangChain"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00103,"patchAvailable":null,"disclosureDate":null,"capecIds":["CAPEC-197"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["availability"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null}}