CVE-2026-9563
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 CWE-770 |
| Vendor | eclipse foundation |
| Product | eclipse parsson |
| Published | Jul 2, 2026 |
| Last Updated | Jul 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Eclipse Foundation / Eclipse Parsson
1.0.0 ≤ 1.1.7
References
github.com: https://github.com/eclipse-ee4j/parsson/commit/134e8d101aa74c8b9302d0cb62f6ccb4912a9d0c github.com: https://github.com/eclipse-ee4j/parsson/pull/169 repo.maven.apache.org: https://repo.maven.apache.org/maven2/org/eclipse/parsson/parsson/1.1.8/ github.com: https://github.com/eclipse-ee4j/parsson/tree/1.1.8 gitlab.eclipse.org: https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/444
Credits
🔍 Mark Swatosh