{"id":"CVE-2019-7701","aliases":["DEBIAN-CVE-2019-7701","EUVD-2019-17233","GHSA-w6m3-f6w3-3gw3"],"status":"published","title":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm...","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, 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":0.01153,"percentile":0.67188,"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"}]}]}],"products":[{"vendor":"webassembly","product":"binaryen"}],"references":[{"url":"https://github.com/WebAssembly/binaryen/issues/1863","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-7701"},{"url":"https://github.com/advisories/GHSA-w6m3-f6w3-3gw3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-7701","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-7701","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-02-10T22:00:00Z","modified":"2024-08-04T20:54:28.471Z","updated_at":"2026-11-02T14:32:22.854093Z"}],"euvd":[{"id":"EUVD-2019-17233","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","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-w6m3-f6w3-3gw3","title":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm...","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","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-125"],"updated_at":"2026-11-02T14:50:35.110336Z"}],"nvd":[{"id":"CVE-2019-7701","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-02-10T22:29:00.497Z","modified":"2026-06-17T02:40:52.427Z","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-2019-7701","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-02-10T22:29:00.497Z","modified":"2026-10-20T13:49:55.986259295Z","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-2019-7701","description":"A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.","status":"published","published":"2019-02-10T22:29:00.497Z","modified":"2026-09-21T07:03:23.797040082Z","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"}]}}