{"affected":[{"product":"n/a","source":"CNA: mitre","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"cveId":"CVE-2026-106971","cwes":["CWE-190","CWE-400"],"description":"An integer overflow in the MessagePack\\BufferUnpacker component of rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service via crafted MessagePack input when the application runs on 32-bit PHP","epss":{"date":"2026-11-02","percentile":0.04598,"score":0.00155},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106971.md"}],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793708773361,"publishedAt":1793145600000,"references":[{"source":"CNA: mitre","tags":[],"url":"https://github.com/rybakit/msgpack.php"},{"source":"CNA: mitre","tags":[],"url":"https://github.com/rybakit/msgpack.php/releases/tag/v0.11.0"},{"source":"CNA: mitre","tags":[],"url":"https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106971.md"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106971.md"}],"remediation":[],"revision":"b2b566644ef88592ec2268393a4f44a2c7205c24388930a24ca778e581676f9a","sources":[{"modifiedAt":1793708773361,"name":"CNA: mitre","retrievedAt":1793711317971,"url":"https://www.cve.org/CVERecord?id=CVE-2026-106971"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793711370253,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-106971"}],"ssvc":{"assessedAt":1793708758586,"automatable":"yes","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-106971","updatedAt":1793711370253}