{"id":"UBUNTU-CVE-2020-15117","details":"In Synergy before version 1.12.0, a Synergy server can be crashed by receiving a kMsgHelloBack packet with a client name length set to 0xffffffff (4294967295) if the servers memory is less than 4 GB. It was verified that this issue does not cause a crash through the exception handler if the available memory of the Server is more than 4GB.","modified":"2025-10-24T04:48:35Z","published":"2020-07-15T18:15:00Z","upstream":["CVE-2020-15117"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15117"},{"type":"REPORT","url":"https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7a8bea39"},{"type":"REPORT","url":"https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfpp"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-15117"}],"affected":[{"package":{"name":"synergy","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/synergy@1.6.2-0ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"synergy","binary_version":"1.6.2-0ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15117.json"}},{"package":{"name":"synergy","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/synergy@1.8.8-stable+dfsg.1-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.8-stable+dfsg.1-1","1.8.8-stable+dfsg.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"synergy","binary_version":"1.8.8-stable+dfsg.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15117.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}