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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.23.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Thrift", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "thrift", "vendor": "apache"}], "analysis": {"en": {"generated_at": "2026-04-28T19:23:15.303438+00:00", "value": {"mitigation_remediation": ["Upgrade Apache Thrift to version\u202f0.23.0 or later, which removes the out\u2011of\u2011bounds read bug.", "Apply network segmentation to isolate Thrift services from untrusted networks, reducing the surface for crafted JSON inputs.", "Implement runtime memory bounds checking or use hardened compiler settings to detect and prevent out\u2011of\u2011bounds reads in the C++ JSON parser."], "summary": {"action": "Apply Patch", "impact": "Information Disclosure via Out\u2011of\u2011Bounds Read"}, "threat_synthesis": {"affected_systems": "Systems running Apache Thrift prior to version\u202f0.23.0 are affected. This includes all deployments that rely on the distributed serialization library for cross\u2011language communications. The CVSS score of 6.5 indicates a moderate risk, and the impact is a direct leak of confidential information.", "description_and_impact": "The vulnerability is an out\u2011of\u2011bounds read in Apache Thrift\u2019s C++ JSON parser. The flaw allows a decoding of serialized data to read memory beyond the bounds of a buffer, potentially exposing internal structures or sensitive data. The associated weakness is CWE\u2011125, indicating that unvalidated bounds are used when accessing memory.", "risk_and_exploitability": "The exploitation requires an attacker to provide crafted JSON input that is parsed by Thrift on the target system. No public exploit is documented, and the EPSS score is < 1%. The vulnerability is not listed in CISA\u2019s KEV catalog. The CVSS score of 6.5 indicates a moderate risk, and while the likelihood of active exploitation remains low given the very low EPSS, the potential for sensitive data exposure remains significant."}}}}, "created": "2026-04-28T12:00:12.253129+00:00", "updated": "2026-04-28T19:30:27.377633+00:00", "vendors": ["apache", "apache$PRODUCT$thrift"]}