{"id":"CVE-2019-15759","aliases":["DEBIAN-CVE-2019-15759","EUVD-2019-6690","GHSA-w872-v6x7-99f4"],"status":"published","title":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can...","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. 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":0.01253,"percentile":0.69662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2019-08-29T01:01:51Z","modified":"2026-10-20T13:41:51Z","fixes":[{"ecosystem":"Debian:12","package":"binaryen","fixed_in":["89-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"binaryen","fixed_in":["89-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"binaryen","fixed_in":["89-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"89-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"89-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"binaryen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"89-1"}]}]}],"products":[{"vendor":"webassembly","product":"binaryen"}],"references":[{"url":"https://github.com/WebAssembly/binaryen/issues/2288","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/WebAssembly/binaryen/pull/2289","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-15759"},{"url":"https://github.com/advisories/GHSA-w872-v6x7-99f4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-15759","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-15759","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-08-29T01:01:51Z","modified":"2024-08-05T00:56:22.461Z","updated_at":"2026-11-02T14:20:21.059499Z"}],"euvd":[{"id":"EUVD-2019-6690","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-08-29T01:01:51Z","modified":"2024-08-05T00:56:22Z","updated_at":"2026-11-03T02:40:35.132035Z"}],"ghsa":[{"id":"GHSA-w872-v6x7-99f4","title":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can...","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2022-05-24T16:55:07Z","modified":"2023-01-28T05:07:03Z","updated_at":"2026-11-02T14:44:29.269512Z"}],"nvd":[{"id":"CVE-2019-15759","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-08-29T02:15:10.617Z","modified":"2026-06-17T02:21:01.507Z","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-476"],"updated_at":"2026-11-02T14:05:25.691233Z"}],"osv":[{"id":"CVE-2019-15759","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-08-29T02:15:10.617Z","modified":"2026-10-20T13:41:51.468804094Z","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":"2026-11-02T15:44:11.361782Z"},{"id":"DEBIAN-CVE-2019-15759","description":"An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-08-29T02:15:10.617Z","modified":"2026-09-21T07:02:13.506002623Z","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":"2026-11-02T15:45:31.867036Z"}]}}