{"id":"CVE-2026-86314","aliases":["EUVD-2026-72238","GHSA-28r8-6gx4-j6mm"],"status":"published","title":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung...","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00181,"percentile":0.07778,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-09-07T02:22:42Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"samsung open source","product":"walrus"},{"vendor":"samsung opensource","product":"walrus"}],"references":[{"url":"https://github.com/Samsung/walrus/pull/482","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86314","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-28r8-6gx4-j6mm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86314.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-86314","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","status":"published","published":"2026-09-07T02:22:42.21Z","modified":"2026-09-08T15:26:55.798Z","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":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-72238","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","status":"published","published":"2026-09-07T02:22:42Z","modified":"2026-09-08T15:26:55Z","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":"2026-11-02T17:28:28.997972Z"}],"ghsa":[{"id":"GHSA-28r8-6gx4-j6mm","title":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung...","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","status":"published","published":"2026-09-07T03:30:22Z","modified":"2026-09-07T03:30:29Z","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":"2026-11-02T15:11:25.773648Z"}],"nvd":[{"id":"CVE-2026-86314","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","status":"published","published":"2026-09-07T03:17:19.53Z","modified":"2026-09-28T23:10:00.143Z","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":"2026-11-02T14:12:44.082631Z"}],"osv":[{"id":"CVE-2026-86314","description":"Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.","status":"published","published":"2026-09-07T02:22:42.21Z","modified":"2026-10-28T02:31:10.157540689Z","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":"2026-11-02T15:45:18.825071Z"}]}}