{"id":"GHSA-7hpj-7hhx-2fgx","summary":"msgpackr's conversion of property names to strings can trigger infinite recursion","details":"### Impact\nWhen decoding user supplied MessagePack messages, users can trigger stuck threads by crafting messages that keep the decoder stuck in a loop.\n\n### Patches\nThe fix is available in v1.10.1\n\n### Workarounds\nExploits seem to require structured cloning, replacing the 0x70 extension with your own (that throws an error or does something other than recursive referencing) should mitigate the issue.\n\n### References","aliases":["CVE-2023-52079"],"modified":"2026-09-10T03:49:59.496313417Z","published":"2023-12-28T21:16:20Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2023-12-28T21:16:20Z","nvd_published_at":"2023-12-28T16:16:01Z","cwe_ids":["CWE-674"]},"references":[{"type":"WEB","url":"https://github.com/kriszyp/msgpackr/security/advisories/GHSA-7hpj-7hhx-2fgx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52079"},{"type":"WEB","url":"https://github.com/kriszyp/msgpackr/commit/18f44f8800e2261341cdf489d1ba1e35a0133602"},{"type":"PACKAGE","url":"https://github.com/kriszyp/msgpackr"}],"affected":[{"package":{"name":"msgpackr","ecosystem":"npm","purl":"pkg:npm/msgpackr"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.10.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-7hpj-7hhx-2fgx/GHSA-7hpj-7hhx-2fgx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}]}