{"id":"CVE-2026-106447","state":"PUBLISHED","title":"StableLib: Stack exhaustion denial of service via deeply nested CBOR arrays, maps, or tags","description":"StableLib is a stable library of useful TypeScript and JavaScript code. Prior to 2.0.4, the @stablelib/cbor decoder recursively processes nested CBOR arrays, maps, and tags through _decodeValue() without enforcing a maximum nesting depth. A sufficiently deep structure exhausts the JavaScript call stack, causing a decoding exception and potentially terminating an uncaught request worker or process. This issue is fixed in version 2.0.4.","publishedAt":"2026-10-06T19:44:03.028Z","updatedAt":"2026-10-07T14:40:22.293Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["StableLib stablelib"],"affected":[{"vendor":"StableLib","product":"stablelib","versions":[{"version":"< 2.0.4","status":"affected"}]}],"references":["https://github.com/StableLib/stablelib/security/advisories/GHSA-5jg4-p4qw-cgfr","https://github.com/StableLib/stablelib/commit/0149e18d9d4736e22c257744ca945ebce7899a01","https://github.com/StableLib/stablelib/releases/tag/@stablelib/cbor@2.0.4"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106447.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106447","state":"PUBLISHED","datePublished":"2026-10-06T19:44:03.028Z","dateUpdated":"2026-10-07T14:40:22.293Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-06T16:49:40.590Z"},"containers":{"cna":{"title":"StableLib: Stack exhaustion denial of service via deeply nested CBOR arrays, maps, or tags","descriptions":[{"lang":"en","value":"StableLib is a stable library of useful TypeScript and JavaScript code. Prior to 2.0.4, the @stablelib/cbor decoder recursively processes nested CBOR arrays, maps, and tags through _decodeValue() without enforcing a maximum nesting depth. A sufficiently deep structure exhausts the JavaScript call stack, causing a decoding exception and potentially terminating an uncaught request worker or process. This issue is fixed in version 2.0.4."}],"affected":[{"vendor":"StableLib","product":"stablelib","versions":[{"version":"< 2.0.4","status":"affected"}]}],"references":[{"url":"https://github.com/StableLib/stablelib/security/advisories/GHSA-5jg4-p4qw-cgfr","name":"https://github.com/StableLib/stablelib/security/advisories/GHSA-5jg4-p4qw-cgfr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/StableLib/stablelib/commit/0149e18d9d4736e22c257744ca945ebce7899a01","name":"https://github.com/StableLib/stablelib/commit/0149e18d9d4736e22c257744ca945ebce7899a01","tags":["x_refsource_MISC"]},{"url":"https://github.com/StableLib/stablelib/releases/tag/@stablelib/cbor@2.0.4","name":"https://github.com/StableLib/stablelib/releases/tag/@stablelib/cbor@2.0.4","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"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":"2026-10-06T19:44:03.028Z"},"source":{"advisory":"GHSA-5jg4-p4qw-cgfr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/StableLib/stablelib/security/advisories/GHSA-5jg4-p4qw-cgfr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T14:39:46.797113Z","id":"CVE-2026-106447","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-07T14:40:22.293Z"}}]}}}