{"schema_version":1,"title":"Shamaton Msgpack vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Shamaton Msgpack: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, MessagePack for Python use after free on Unpacker reuse, was published on 19 June 2026.","url":"https://junglewise.ai/threats/technologies/msgpack","json_url":"https://junglewise.ai/threats/technologies/msgpack.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/msgpack","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":2},"latest":[{"cvss":7.5,"slug":"messagepack-for-python-use-after-free-on-unpacker-reuse-a77c6e14","title":"MessagePack for Python use after free on Unpacker reuse","severity":"high","exploited":false,"published_at":"2026-06-19T21:42:55+00:00","url":"https://junglewise.ai/threats/messagepack-for-python-use-after-free-on-unpacker-reuse-a77c6e14"},{"cve":"CVE-2026-32284","cvss":7.5,"epss":0.007,"slug":"cve-2026-32284-shamaton-msgpack-denial-of-service-via-truncated-fixext-data","title":"Shamaton msgpack denial of service via truncated fixext data","severity":"high","exploited":false,"published_at":"2026-03-26T20:16:12.087+00:00","url":"https://junglewise.ai/threats/cve-2026-32284-shamaton-msgpack-denial-of-service-via-truncated-fixext-data"},{"cve":"CVE-2021-23410","cvss":3.1,"slug":"cve-2021-23410-msgpack-deserialization-of-untrusted-data","title":"msgpack deserialization of untrusted data","severity":"low","exploited":false,"published_at":"2021-07-26T21:24:09+00:00","url":"https://junglewise.ai/threats/cve-2021-23410-msgpack-deserialization-of-untrusted-data"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Shamaton Msgpack","slug":"msgpack","vendor":{"name":"Shamaton","slug":"shamaton","url":"https://junglewise.ai/threats/vendors/shamaton"},"aliases":[],"homepage":"https://github.com/shamaton/msgpack","repo_url":"https://github.com/shamaton/msgpack","description":"msgpack is a MessagePack library for the Go programming language.","url":"https://junglewise.ai/threats/technologies/msgpack"},"most_severe":[{"cve":"CVE-2026-32284","cvss":7.5,"epss":0.007,"slug":"cve-2026-32284-shamaton-msgpack-denial-of-service-via-truncated-fixext-data","title":"Shamaton msgpack denial of service via truncated fixext data","severity":"high","exploited":false,"published_at":"2026-03-26T20:16:12.087+00:00","url":"https://junglewise.ai/threats/cve-2026-32284-shamaton-msgpack-denial-of-service-via-truncated-fixext-data"},{"cvss":7.5,"slug":"messagepack-for-python-use-after-free-on-unpacker-reuse-a77c6e14","title":"MessagePack for Python use after free on Unpacker reuse","severity":"high","exploited":false,"published_at":"2026-06-19T21:42:55+00:00","url":"https://junglewise.ai/threats/messagepack-for-python-use-after-free-on-unpacker-reuse-a77c6e14"},{"cve":"CVE-2021-23410","cvss":3.1,"slug":"cve-2021-23410-msgpack-deserialization-of-untrusted-data","title":"msgpack deserialization of untrusted data","severity":"low","exploited":false,"published_at":"2021-07-26T21:24:09+00:00","url":"https://junglewise.ai/threats/cve-2021-23410-msgpack-deserialization-of-untrusted-data"}],"generated_at":"2026-09-26T15:07:00.181821+00:00"}