{"id":"CVE-2026-88350","aliases":["EUVD-2026-84848","GHSA-c2wm-8rj3-h9cx","UBUNTU-CVE-2026-88350"],"status":"published","title":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and...","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0012,"percentile":0.01864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-09-22T00:00:00Z","modified":"2026-11-04T20:04:28Z","affected":[{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mpack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6-19build1"]}],"references":[{"url":"https://github.com/ludocode/mpack/issues/124","tags":["report"]},{"url":"https://github.com/ludocode/mpack/commit/3d54d1215bdb5478d3ddecaf85884c58b382cd9b","tags":["fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88350","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c2wm-8rj3-h9cx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88350.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88350","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88350","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-88350","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T00:00:00Z","modified":"2026-10-01T16:27:09.79Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-84848","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T00:00:00Z","modified":"2026-10-01T16:27:09Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:44.322377Z"}],"ghsa":[{"id":"GHSA-c2wm-8rj3-h9cx","title":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and...","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T21:31:29Z","modified":"2026-10-01T18:33:43Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:12:41.196374Z"}],"nvd":[{"id":"CVE-2026-88350","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T20:17:10.73Z","modified":"2026-10-01T17:17:32.413Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:50.703874Z"}],"osv":[{"id":"CVE-2026-88350","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T00:00:00Z","modified":"2026-10-28T11:19:14.147607084Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:19.210277Z"},{"id":"UBUNTU-CVE-2026-88350","description":"An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().","status":"published","published":"2026-09-22T20:17:00Z","modified":"2026-11-04T20:04:28.114928689Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-04T21:43:26.87909Z"}]}}