js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources
High-risk advisory
CVE-2026-84375
Summary
js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources
Why it matters
GitHub has published a reviewed security advisory for js-yaml. Prioritize it with other application dependency updates, especially because EPSS places it in the 32% percentile.
Operator check
Check whether js-yaml is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 32%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.