CVE-2026-59869

Publié : 8 juillet 2026

Modifié : 8 juillet 2026

Score CVSS

7.5

HIGH

Description détaillée

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 before 3.15.0 and from 4.0.0 before 4.3.0, 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 versions 3.15.0 and 4.3.0.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Références et Patchs

https://github.com/nodeca/js-yaml/commit/24f13e79ee1343a7e30bd6f6c9d9cdbf0ac9b2b7 https://github.com/nodeca/js-yaml/commit/59423c6f8cdc78742ac00e25a4dd39ef16b702e4 https://github.com/nodeca/js-yaml/releases/tag/3.15.0 https://github.com/nodeca/js-yaml/releases/tag/4.3.0 https://github.com/nodeca/js-yaml/security/advisories/GHSA-52cp-r559-cp3m

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