{"id":"CVE-2023-48105","aliases":["AZL-32060","EUVD-2023-52186","GHSA-w252-369w-2g4v"],"status":"published","title":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3...","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01,"percentile":0.63239,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-11-22T00:00:00Z","modified":"2026-10-28T02:31:07Z","fixes":[{"ecosystem":"Azure Linux:2","package":"fluent-bit","fixed_in":["2.1.10-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"fluent-bit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.10-2"}]}]}],"products":[{"vendor":"bytecodealliance","product":"webassembly_micro_runtime"}],"references":[{"url":"https://github.com/bytecodealliance/wasm-micro-runtime/issues/2726","tags":["x_transferred","Exploit","Issue Tracking","Patch","report"]},{"url":"https://github.com/bytecodealliance/wasm-micro-runtime/pull/2734/commits/4785d91b16dd49c09a96835de2d9c7b077543fa4","tags":["x_transferred","Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48105","tags":["web","advisory"]},{"url":"http://bytecode.com"},{"url":"http://wasm-micro-runtime.com"},{"url":"https://github.com/advisories/GHSA-w252-369w-2g4v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48105.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-48105","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-22T00:00:00Z","modified":"2026-07-09T00:29:04.401Z","updated_at":"2026-11-02T14:35:25.866071Z"}],"euvd":[{"id":"EUVD-2023-52186","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-22T00:00:00Z","modified":"2026-07-09T00:29:04Z","updated_at":"2026-11-02T18:20:05.313723Z"}],"ghsa":[{"id":"GHSA-w252-369w-2g4v","title":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3...","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-23T00:30:58Z","modified":"2023-11-30T21:30:28Z","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-787"],"updated_at":"2026-11-02T14:55:08.006495Z"}],"nvd":[{"id":"CVE-2023-48105","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-22T23:15:10.617Z","modified":"2026-07-09T01:18:44.727Z","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":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:49.393375Z"}],"osv":[{"id":"AZL-32060","title":"CVE-2023-48105 affecting package fluent-bit for versions less than 2.1.10-2","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-22T23:15:10Z","modified":"2026-04-21T04:26:38.145719Z","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":"2026-11-02T15:28:03.46006Z"},{"id":"CVE-2023-48105","description":"An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.","status":"published","published":"2023-11-22T00:00:00Z","modified":"2026-10-28T02:31:07.043433547Z","updated_at":"2026-11-02T15:44:34.72355Z"}]}}