Security Advisory

CVE-2026-59868

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-08 15:18:19

Last updated 2026-07-09 13:42:54

Assigner GitHub_M

CVSS score 5.3

State PUBLISHED

Description

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.0, when merge keys are enabled, js-yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of mappings uses merge keys where each mapping merges the previous one. This issue is fixed in version 5.2.0.

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