{"id":"CVE-2019-7700","aliases":["DEBIAN-CVE-2019-7700","EUVD-2019-17232","GHSA-ggj8-g5w9-5x4p","UBUNTU-CVE-2019-7700"],"status":"published","title":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary...","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, 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":"2026-11-08","score":0.01153,"percentile":0.67174,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2019-02-10T22:00:00Z","modified":"2026-10-20T13:49:55Z","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"}]}]},{"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/1864","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-7700"},{"url":"https://github.com/advisories/GHSA-ggj8-g5w9-5x4p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-7700","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-7700","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-7700","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-7700","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:00:00Z","modified":"2024-08-04T20:54:28.297Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-17232","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, 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-ggj8-g5w9-5x4p","title":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary...","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2022-05-13T01:25:51Z","modified":"2023-02-01T05:07:26Z","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-125"],"updated_at":"2026-11-02T14:50:32.348028Z"}],"nvd":[{"id":"CVE-2019-7700","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.45Z","modified":"2026-06-17T02:40:52.32Z","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-125"],"updated_at":"2026-11-02T14:05:04.689371Z"}],"osv":[{"id":"CVE-2019-7700","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.45Z","modified":"2026-10-20T13:49:55.206036374Z","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-2019-7700","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00.45Z","modified":"2026-09-21T07:03:23.788108247Z","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-2019-7700","description":"A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.","status":"published","published":"2019-02-10T22:29:00Z","modified":"2026-10-17T12:56:10.188115369Z","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"}]}}