High

Uncontrolled Resource Consumption in spray-json when parsing decimal digit fields

  • Disclosed: 09.11.2018
  • Updated: 11.10.2026 11:20

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 a field composed of many decimal digits.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) io.spray:spray-json_2.10 < 1.3.5 1.3.5
Java / Kotlin (Maven) io.spray:spray-json_2.11 < 1.3.5 1.3.5
Java / Kotlin (Maven) io.spray:spray-json_2.12 < 1.3.5 1.3.5

References

CVSS score 7.5/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-400
Platform
Java / Kotlin (Maven)
Package
io.spray:spray-json_2.10, io.spray:spray-json_2.11, io.spray:spray-json_2.12
Disclosed
09.11.2018
Updated
11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-f94m-mqhr-mc29 - CC BY 4.0

Vulnerability history: io.spray:spray-json_2.10

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
11.2018 06.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 2
  • Medium 1

Disclosures per year

  1. 2018: 2
  2. 2019: 0
  3. 2020: 0
  4. 2021: 0
  5. 2022: 1
  6. 2023: 0
  7. 2024: 0
  8. 2025: 0
  9. 2026: 0
  1. Medium CVE-2018-18855 < 1.3.5 1.3.5
  2. Uncontrolled Resource Consumption in spray-json when parsing decimal digit fields this entry
    High · 7.5 CVE-2018-18853 < 1.3.5 1.3.5
  3. High · 7.5 CVE-2018-18854 < 1.3.5 1.3.5

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