{"id":"CVE-2026-106971","aliases":["EUVD-2026-112134","GHSA-w6qp-mj4x-9485"],"status":"published","title":"An integer overflow in the MessagePack\\BufferUnpacker component of rybakit/msgpack v0.11.0 allows...","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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00339,"percentile":0.27657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190","CWE-400"],"published":"2026-10-28T00:00:00Z","modified":"2026-11-03T15:32:40Z","references":[{"url":"https://github.com/rybakit/msgpack.php","tags":["package"]},{"url":"https://github.com/rybakit/msgpack.php/releases/tag/v0.11.0","tags":["web"]},{"url":"https://github.com/diptendukar/security-advisories/blob/main/CVE-2026-106971.md","tags":["exploit","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106971","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w6qp-mj4x-9485"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106971.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-106971","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","status":"published","published":"2026-10-28T00:00:00Z","modified":"2026-11-03T12:26:13.361Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190","CWE-400"],"updated_at":"2026-11-03T13:57:27.751141Z"}],"euvd":[{"id":"EUVD-2026-112134","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","status":"published","published":"2026-10-28T00:00:00Z","modified":"2026-11-03T12:26:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T13:54:42.043274Z"}],"ghsa":[{"id":"GHSA-w6qp-mj4x-9485","title":"An integer overflow in the MessagePack\\BufferUnpacker component of rybakit/msgpack v0.11.0 allows...","description":"An integer overflow in the MessagePack\\BufferUnpacker component of rybakit/msgpack v0.11.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2026-10-28T15:31:54Z","modified":"2026-11-03T15:32:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-03T15:57:23.404697Z"}],"nvd":[{"id":"CVE-2026-106971","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","status":"published","published":"2026-10-28T15:17:02.553Z","modified":"2026-11-03T13:17:16.97Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190","CWE-400"],"updated_at":"2026-11-03T18:16:46.837221Z"}],"osv":[{"id":"CVE-2026-106971","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","status":"published","published":"2026-10-28T00:00:00Z","modified":"2026-11-05T02:30:27.31148997Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-07T03:07:59.958523Z"}]}}