What’s Vulnerable › Vulnerabilities

CVE-2018-18854

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-31 · updated 2026-06-17
• Weakness: CWE-400

Description

Lightbend Spray spray-json through 1.3.4 allows remote attackers to cause a denial of service (resource consumption) because of Algorithmic Complexity during the parsing of many JSON object fields (with keys that have the same hash code).

Affected products

• Lightbend Spray-Json: through 1.3.4

References

• https://github.com/spray/spray-json/issues/277
• https://github.com/spray/spray-json/issues/277

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