{"id":"ALPINE-CVE-2018-20181","details":"rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.","modified":"2026-03-09T01:15:41.863675Z","published":"2019-03-15T18:29:00.657Z","upstream":["CVE-2018-20181"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2018-20181"}],"affected":[{"package":{"name":"rdesktop","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/rdesktop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-r0"}]}],"versions":["1.6.0-r0","1.6.0-r1","1.6.0-r2","1.6.0-r3","1.6.0-r4","1.7.0-r0","1.7.1-r0","1.8.0-r0","1.8.1-r0","1.8.2-r0","1.8.3-r0","1.8.3-r1","1.8.3-r2","1.8.3-r3","1.8.3-r4","1.8.3-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20181.json"}},{"package":{"name":"rdesktop","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/rdesktop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-r0"}]}],"versions":["1.6.0-r0","1.6.0-r1","1.6.0-r2","1.6.0-r3","1.6.0-r4","1.7.0-r0","1.7.1-r0","1.8.0-r0","1.8.1-r0","1.8.2-r0","1.8.3-r0","1.8.3-r1","1.8.3-r2","1.8.3-r3","1.8.3-r4","1.8.3-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20181.json"}},{"package":{"name":"rdesktop","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/rdesktop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-r0"}]}],"versions":["1.6.0-r0","1.6.0-r1","1.6.0-r2","1.6.0-r3","1.6.0-r4","1.7.0-r0","1.7.1-r0","1.8.0-r0","1.8.1-r0","1.8.2-r0","1.8.3-r0","1.8.3-r1","1.8.3-r2","1.8.3-r3","1.8.3-r4","1.8.3-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20181.json"}},{"package":{"name":"rdesktop","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/rdesktop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-r0"}]}],"versions":["1.6.0-r0","1.6.0-r1","1.6.0-r2","1.6.0-r3","1.6.0-r4","1.7.0-r0","1.7.1-r0","1.8.0-r0","1.8.1-r0","1.8.2-r0","1.8.3-r0","1.8.3-r1","1.8.3-r2","1.8.3-r3","1.8.3-r4","1.8.3-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20181.json"}},{"package":{"name":"rdesktop","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/rdesktop?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-r0"}]}],"versions":["1.6.0-r0","1.6.0-r1","1.6.0-r2","1.6.0-r3","1.6.0-r4","1.7.0-r0","1.7.1-r0","1.8.0-r0","1.8.1-r0","1.8.2-r0","1.8.3-r0","1.8.3-r1","1.8.3-r2","1.8.3-r3","1.8.3-r4","1.8.3-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20181.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}