{"id":"CVE-2026-45740","state":"PUBLISHED","title":"protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion","description":"protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. This vulnerability is fixed in 7.5.8 and 8.2.0.","publishedAt":"2026-05-13T14:46:02.689Z","updatedAt":"2026-05-13T18:20:12.394Z","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":["protobufjs protobuf.js"],"affected":[{"vendor":"protobufjs","product":"protobuf.js","versions":[{"version":"< 7.5.8","status":"affected"},{"version":">= 8.0.0, < 8.2.0","status":"affected"}]}],"references":["https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-jggg-4jg4-v7c6"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45740.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45740","state":"PUBLISHED","datePublished":"2026-05-13T14:46:02.689Z","dateUpdated":"2026-05-13T18:20:12.394Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-13T06:54:34.219Z"},"containers":{"cna":{"title":"protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion","descriptions":[{"lang":"en","value":"protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. This vulnerability is fixed in 7.5.8 and 8.2.0."}],"affected":[{"vendor":"protobufjs","product":"protobuf.js","versions":[{"version":"< 7.5.8","status":"affected"},{"version":">= 8.0.0, < 8.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-jggg-4jg4-v7c6","name":"https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-jggg-4jg4-v7c6","tags":["x_refsource_CONFIRM"]}],"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-674","lang":"en","description":"CWE-674: Uncontrolled Recursion","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-13T14:46:02.689Z"},"source":{"advisory":"GHSA-jggg-4jg4-v7c6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T18:14:53.041286Z","id":"CVE-2026-45740","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":"2026-05-13T18:20:12.394Z"}}]}}}