{"id":"CVE-2026-32284","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-32284","generatedAt":"2026-10-28T02:11:54.625Z","title":"This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.","description":"The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.","published":"2026-03-26T20:16:12.000Z","lastModified":"2026-10-07T18:17:20.000Z","status":"Analyzed","sourceIdentifier":"security@golang.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-125"],"affected":["shamaton/msgpack"],"epss":{"score":0.00421,"percentile":0.36154,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/golang/vulndb/issues/4513","tags":["Issue Tracking","Third Party Advisory"],"source":"security@golang.org"},{"url":"https://github.com/shamaton/msgpack/issues/59","tags":["Issue Tracking","Vendor Advisory"],"source":"security@golang.org"},{"url":"https://pkg.go.dev/vuln/GO-2026-4513","tags":["Third Party Advisory"],"source":"security@golang.org"},{"url":"https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026","tags":["Exploit","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-32284","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}