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Eclipse Foundation Eclipse Parsson: In Eclipse Parsson published Maven Central artifacts before version 1.1.8, the JSON parser did not enforce a default max

Eclipse Foundation Eclipse Parsson · CVE-2026-9563
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What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
7.5
EPSS
0.3%
First seen
7 d ago
Status
corroborated

All Eclipse Foundation vulnerabilities