{"id":"CVE-2019-7703","aliases":["DEBIAN-CVE-2019-7703","EUVD-2019-17235","GHSA-9w62-w3v4-9qmp"],"status":"published","title":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in...","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","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":0.01459,"percentile":0.73729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2019-02-10T22:00:00Z","modified":"2026-10-20T13:57:29Z","fixes":[{"ecosystem":"Debian:12","package":"binaryen","fixed_in":["64-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"binaryen","fixed_in":["64-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"binaryen","fixed_in":["64-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"64-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"64-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"64-1"}]}]}],"products":[{"vendor":"webassembly","product":"binaryen"}],"references":[{"url":"https://github.com/WebAssembly/binaryen/issues/1865","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-7703"},{"url":"https://github.com/advisories/GHSA-9w62-w3v4-9qmp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-7703","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-7703","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:00:00Z","modified":"2024-08-04T20:54:28.245Z","updated_at":"2026-11-02T14:32:22.432545Z"}],"euvd":[{"id":"EUVD-2019-17235","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:00:00Z","modified":"2024-08-04T20:54:28Z","updated_at":"2026-11-03T03:06:45.52347Z"}],"ghsa":[{"id":"GHSA-9w62-w3v4-9qmp","title":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in...","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2022-05-13T01:25:52Z","modified":"2023-02-01T05:07:40Z","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-416"],"updated_at":"2026-11-02T14:50:35.110336Z"}],"nvd":[{"id":"CVE-2019-7703","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.59Z","modified":"2026-06-17T02:40:52.637Z","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-416"],"updated_at":"2026-11-02T14:05:04.689371Z"}],"osv":[{"id":"CVE-2019-7703","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.59Z","modified":"2026-10-20T13:57:29.913943793Z","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-2019-7703","description":"In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerability to cause a denial-of-service via a wasm file, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.59Z","modified":"2026-09-21T07:03:15.577974548Z","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"}]}}