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Medium

snakeYAML before 1.31 vulnerable to Denial of Service due to Out-of-bounds Write

  • Disclosed: 06.09.2022
  • Updated: 11.10.2026 13:19

Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.yaml:snakeyaml < 1.31 1.31

References

CVSS score 5.5/10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-121, CWE-787
Platform
Java / Kotlin (Maven)
Package
org.yaml:snakeyaml
Disclosed
06.09.2022
Updated
11.10.2026 13:19

Sources and licenses

OSV / GitHub Advisory Database - GHSA-hhhw-99gj-p3c3 - CC BY 4.0

Vulnerability history: org.yaml:snakeyaml

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
8
First → latest
06.2021 12.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 3
  • Medium 5

Disclosures per year

  1. SnakeYaml Constructor Deserialization Remote Code Execution
    High · 8.3 CVE-2022-1471 < 2.0 2.0
  2. Snakeyaml vulnerable to Stack overflow leading to denial of service
    Medium · 6.5 CVE-2022-41854 < 1.32 1.32
  3. snakeYAML before 1.31 vulnerable to Denial of Service due to Out-of-bounds Write this entry
    Medium · 5.5 CVE-2022-38750 < 1.31 1.31
  4. snakeYAML before 1.31 vulnerable to Denial of Service due to Out-of-bounds Write
    Medium · 6.5 CVE-2022-38749 < 1.31 1.31
  5. snakeYAML before 1.32 vulnerable to Denial of Service due to Out-of-bounds Write
    Medium · 6.5 CVE-2022-38752 < 1.32 1.32
  6. snakeYAML before 1.31 vulnerable to Denial of Service due to Out-of-bounds Write
    Medium · 6.5 CVE-2022-38751 < 1.31 1.31
  7. Uncontrolled Resource Consumption in snakeyaml
    High · 7.5 CVE-2022-25857 < 1.31 1.31
  8. SnakeYAML Entity Expansion during load operation
    High · 7.5 CVE-2017-18640 < 1.26 1.26

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