js-yaml quadratic-complexity denial of service via YAML11_SCHEMA !!omap parsing

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-59870 · Microsoft / collected KEV context

EUVD-2026-42300

GHSA-724g-mxrg-4qvm

cve-program · CVE-2026-59870

• https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm
• https://github.com/nodeca/js-yaml/commit/22a8071ef032117bc6249c330b240ac3aa2d3ded
• https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe
• https://github.com/nodeca/js-yaml/commit/c3cc4b0bb9ddb9af2dd9b61e0d56f5ce7983cd4a
• https://github.com/nodeca/js-yaml/releases/tag/3.15.1
• https://github.com/nodeca/js-yaml/releases/tag/4.3.1
• https://github.com/nodeca/js-yaml/releases/tag/5.2.1

euvd · EUVD-2026-42300

• https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm
• https://github.com/nodeca/js-yaml/commit/22a8071ef032117bc6249c330b240ac3aa2d3ded
• https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe
• https://github.com/nodeca/js-yaml/commit/c3cc4b0bb9ddb9af2dd9b61e0d56f5ce7983cd4a
• https://github.com/nodeca/js-yaml/releases/tag/3.15.1
• https://github.com/nodeca/js-yaml/releases/tag/4.3.1
• https://github.com/nodeca/js-yaml/releases/tag/5.2.1

nvd · CVE-2026-59870

• https://github.com/nodeca/js-yaml/commit/22a8071ef032117bc6249c330b240ac3aa2d3ded
• https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe
• https://github.com/nodeca/js-yaml/commit/c3cc4b0bb9ddb9af2dd9b61e0d56f5ce7983cd4a
• https://github.com/nodeca/js-yaml/releases/tag/3.15.1
• https://github.com/nodeca/js-yaml/releases/tag/4.3.1
• https://github.com/nodeca/js-yaml/releases/tag/5.2.1
• https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm

osv · GHSA-724g-mxrg-4qvm

• https://github.com/nodeca/js-yaml/security/advisories/GHSA-724g-mxrg-4qvm
• https://nvd.nist.gov/vuln/detail/CVE-2026-59870
• https://github.com/nodeca/js-yaml/commit/39f3211a2f01b3c6982710cf21434ab7060acefe
• https://github.com/nodeca/js-yaml
• https://github.com/nodeca/js-yaml/releases/tag/5.2.1

No related operational record is retained in the current change model.