{"id":"DEBIAN-CVE-2025-14956","details":"A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: 4f52bff8c4075b5630422f902dd92a0af2c9f398. It is recommended to apply a patch to fix this issue.","modified":"2026-09-01T20:05:41.316905275Z","published":"2025-12-19T17:15:51.470Z","upstream":["CVE-2025-14956"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-14956"}],"affected":[{"package":{"name":"binaryen","ecosystem":"Debian:12","purl":"pkg:deb/debian/binaryen?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["108-1","112-1","116-1","120-1","120-2","120-3","120-4","120-4+ports","122-1.1","122-2","122-3","130-1","130-2","130-3","131-1","131-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-14956.json"}},{"package":{"name":"binaryen","ecosystem":"Debian:13","purl":"pkg:deb/debian/binaryen?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["120-4","120-4+ports","122-1.1","122-2","122-3","130-1","130-2","130-3","131-1","131-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-14956.json"}},{"package":{"name":"binaryen","ecosystem":"Debian:14","purl":"pkg:deb/debian/binaryen?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["120-4","120-4+ports","122-1.1","122-2","122-3","130-1","130-2","130-3","131-1","131-2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-14956.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}