{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"node-immutable","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT65W7V2ZABHSM4VYA0PSR","modified_at":"2026-10-01T03:03:28.582361306Z","published_at":"2026-07-08T17:17:26.370Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-59879","https://security-tracker.debian.org/tracker/CVE-2026-59879"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-59879#Debian:13/node-immutable","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-59879"}],"summary":"Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, List#set, List#setSize, List#setIn, List#updateIn, and the functional set, setIn, and updateIn mishandle an i"}