{"action":"Upgrade protobufjs to 7.6.5 or later.","affected":[{"fixed":"7.6.5","introduced":"7.5.0"},{"fixed":"8.6.6","introduced":"8.0.0"}],"component":"protobufjs","cve_ids":["CVE-2026-59877"],"ecosystem":"npm","epss":0.00365,"exploited":false,"fixed_versions":["7.6.5","8.6.6"],"ghsa_id":"GHSA-j3f2-48v5-ccww","id":"tcs_01M5KFWNR5AADCWEP15ZW61CJ2","modified_at":"2026-09-10T03:50:12.329162950Z","published_at":"2026-07-20T22:03:00Z","references":["https://osv.dev/vulnerability/GHSA-j3f2-48v5-ccww","https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-j3f2-48v5-ccww","https://nvd.nist.gov/vuln/detail/CVE-2026-59877","https://github.com/protobufjs/protobuf.js/pull/2352","https://github.com/protobufjs/protobuf.js/commit/10fba6d54815ceecca8a06b9a6db490c8f5d2217","https://github.com/protobufjs/protobuf.js/commit/fa5c73add738ceb471e74da8cc2f3727c3d0a69f","https://github.com/protobufjs/protobuf.js","https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.6.5","https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.6.6"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-j3f2-48v5-ccww","url":"https://osv.dev/vulnerability/GHSA-j3f2-48v5-ccww"}],"summary":"protobufjs: Denial of Service via infinite loop in .proto option parsing"}