{"id":"CVE-2019-7154","aliases":["DEBIAN-CVE-2019-7154","EUVD-2019-16704","GHSA-368j-92cq-wrg5","UBUNTU-CVE-2019-7154"],"status":"published","title":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow...","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01118,"percentile":0.66362,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2019-01-29T00:00:00Z","modified":"2026-10-20T13:49:51Z","fixes":[{"ecosystem":"Debian:12","package":"binaryen","fixed_in":["66-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"binaryen","fixed_in":["66-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"binaryen","fixed_in":["66-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"66-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"66-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"66-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["89-1","90-1","91-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["99-3","105-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["108-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["120-3","120-4"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["120-4build1","130-2","130-3","131-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["120-4","120-4build1"]}],"products":[{"vendor":"webassembly","product":"binaryen"}],"references":[{"url":"https://github.com/WebAssembly/binaryen/issues/1876","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-7154"},{"url":"https://github.com/advisories/GHSA-368j-92cq-wrg5"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-7154","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-7154","tags":["report"]},{"url":"https://github.com/WebAssembly/binaryen/commit/79a4fbc80d7ffce4cbcfd04315ce3a0efa88d7fa","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-7154","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-7154","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:00:00Z","modified":"2024-08-04T20:38:33.44Z","updated_at":"2026-11-02T14:32:22.432545Z"}],"euvd":[{"id":"EUVD-2019-16704","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:00:00Z","modified":"2024-08-04T20:38:33Z","updated_at":"2026-11-03T03:06:46.960087Z"}],"ghsa":[{"id":"GHSA-368j-92cq-wrg5","title":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow...","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2022-05-13T01:25:51Z","modified":"2023-02-01T05:07:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:31.141675Z"}],"nvd":[{"id":"CVE-2019-7154","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:29:00.627Z","modified":"2026-06-17T02:40:10.953Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"CVE-2019-7154","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:29:00.627Z","modified":"2026-10-20T13:49:51.729993959Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"DEBIAN-CVE-2019-7154","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:29:00.627Z","modified":"2026-09-21T07:03:21.56291131Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-7154","description":"The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-01-29T00:29:00Z","modified":"2026-10-17T12:56:09.577994575Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:21.741399Z"}]}}