{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-59789","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2025-09-20T06:17:58.940Z","datePublished":"2025-12-01T10:22:41.697Z","dateUpdated":"2025-12-01T15:05:18.284Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache bRPC","vendor":"Apache Software Foundation","versions":[{"lessThan":"1.15.0","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Tyler Zars"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Uncontrolled recursion in the json2pb component in Apache bRPC (version &lt; 1.15.0) on all platforms allows remote attackers to make the server crash via sending deep recursive json data.<br><br>Root Cause:<br>The bRPC&nbsp;json2pb component uses rapidjson to parse json data from the network. The rapidjson parser uses a recursive parsing method by default. If the input json has a large depth of recursive structure, the parser function may run into stack overflow.<br><br>Affected Scenarios:<br>Use bRPC server with protobuf message to serve http+json requests from untrusted network. Or directly use&nbsp;JsonToProtoMessage to convert json from&nbsp;untrusted input.\n\n<br><br>How to Fix: <br>(<span style=\"background-color: rgb(255, 255, 255);\">Choose one of the following options)&nbsp;</span><br>1. Upgrade bRPC to version 1.15.0, which fixes this issue.<br><span style=\"background-color: rgb(255, 255, 255);\">2. Apply this patch: </span><a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/pull/3099\">https://github.com/apache/brpc/pull/3099</a>\n\n<br><br>Note:<br>No matter which option \n\n<span style=\"background-color: rgb(255, 255, 255);\">you choose</span>, you should know that the fix introduces a recursion depth limit with default value 100. It affects these functions:&nbsp;\n\n<span style=\"background-color: rgb(255, 255, 255);\">ProtoMessageToJson, ProtoMessageToProtoJson, JsonToProtoMessage, and ProtoJsonToProtoMessage.</span>\n\n If your requests contain json or protobuf messages that have a depth exceeding the limit, the request will be failed after applying the fix. You can modify the gflag json2pb_max_recursion_depth to change the limit."}],"value":"Uncontrolled recursion in the json2pb component in Apache bRPC (version < 1.15.0) on all platforms allows remote attackers to make the server crash via sending deep recursive json data.\n\nRoot Cause:\nThe bRPC json2pb component uses rapidjson to parse json data from the network. The rapidjson parser uses a recursive parsing method by default. If the input json has a large depth of recursive structure, the parser function may run into stack overflow.\n\nAffected Scenarios:\nUse bRPC server with protobuf message to serve http+json requests from untrusted network. Or directly use JsonToProtoMessage to convert json from untrusted input.\n\n\n\nHow to Fix: \n(Choose one of the following options) \n1. Upgrade bRPC to version 1.15.0, which fixes this issue.\n2. Apply this patch:  https://github.com/apache/brpc/pull/3099 \n\n\n\nNote:\nNo matter which option \n\nyou choose, you should know that the fix introduces a recursion depth limit with default value 100. It affects these functions: \n\nProtoMessageToJson, ProtoMessageToProtoJson, JsonToProtoMessage, and ProtoJsonToProtoMessage.\n\n If your requests contain json or protobuf messages that have a depth exceeding the limit, the request will be failed after applying the fix. You can modify the gflag json2pb_max_recursion_depth to change the limit."}],"metrics":[{"other":{"content":{"text":"critical"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","description":"CWE-674 Uncontrolled Recursion","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2025-12-01T10:22:41.697Z"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/ozmcsztcpxn61jxod8jo8q46jo0oc1zx"}],"source":{"discovery":"EXTERNAL"},"title":"Apache bRPC: Stack Exhaustion via Unbounded Recursion in JSON Parser","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2025/12/01/1"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-12-01T11:05:54.538Z"}},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-12-01T15:04:16.305638Z","id":"CVE-2025-59789","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":"2025-12-01T15:05:18.284Z"}}]}}