{"id":"CVE-2026-9563","state":"PUBLISHED","title":"In Eclipse Parsson published Maven Central artifacts before version 1.1.8, the JSON parser did not enforce a default maximum on the number of characters consumed while parsing a si","description":"In Eclipse Parsson published Maven Central artifacts before version 1.1.8, the JSON parser did not enforce a default maximum on the number of characters consumed while parsing a single JSON document. Applications that parse attacker- controlled JSON can be forced to consume excessive CPU and memory by processing very large documents, including large arrays, objects, strings, numbers, whitespace, or nested structures, resulting in a denial of service. Eclipse Parsson 1.1.8 introduces a configurable maximum parsing limit with a default limit of 15 million parser-consumed characters.","publishedAt":"2026-07-02T07:33:25.218Z","updatedAt":"2026-07-02T12:27:25.923Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"eclipse"},"assigner":"eclipse","products":["Eclipse Foundation Eclipse Parsson"],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Parsson","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.1.7","versionType":"semver"}]}],"references":["https://github.com/eclipse-ee4j/parsson/commit/134e8d101aa74c8b9302d0cb62f6ccb4912a9d0c","https://github.com/eclipse-ee4j/parsson/pull/169","https://repo.maven.apache.org/maven2/org/eclipse/parsson/parsson/1.1.8/","https://github.com/eclipse-ee4j/parsson/tree/1.1.8","https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/444"],"weaknesses":["CWE-400","CWE-770"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9563.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9563","state":"PUBLISHED","datePublished":"2026-07-02T07:33:25.218Z","dateUpdated":"2026-07-02T12:27:25.923Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2026-05-26T10:34:17.499Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In Eclipse Parsson published Maven Central artifacts before version 1.1.8, the JSON parser did not enforce a default maximum on the number of characters consumed while parsing a single JSON document. Applications that parse attacker- controlled JSON can be forced to consume excessive CPU and memory by processing very large documents, including large arrays, objects, strings, numbers, whitespace, or nested structures, resulting in a denial of service. Eclipse Parsson 1.1.8 introduces a configurable maximum parsing limit with a default limit of 15 million parser-consumed characters."}],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Parsson","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.1.7","versionType":"semver"}]}],"references":[{"url":"https://github.com/eclipse-ee4j/parsson/commit/134e8d101aa74c8b9302d0cb62f6ccb4912a9d0c"},{"url":"https://github.com/eclipse-ee4j/parsson/pull/169"},{"url":"https://repo.maven.apache.org/maven2/org/eclipse/parsson/parsson/1.1.8/"},{"url":"https://github.com/eclipse-ee4j/parsson/tree/1.1.8"},{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/444"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"eclipse","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateUpdated":"2026-07-02T07:33:25.218Z"},"credits":[{"lang":"en","value":"Mark Swatosh","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/444","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-02T12:27:19.754441Z","id":"CVE-2026-9563","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":"2026-07-02T12:27:25.923Z"}}]}}}