{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"ruby-msgpack","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NSZ8A8972AGA26BNW6PE8J","modified_at":"2026-10-24T09:47:37.480307544Z","published_at":"2026-07-30T17:16:33.030Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-54522","https://security-tracker.debian.org/tracker/CVE-2026-54522"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-54522#Debian:13/ruby-msgpack","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-54522"}],"summary":"MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Buffer#clear in ext/msgpack/buffer.c leaves rmem_last, rmem_end, and rmem_owner s"}