{"id":"UBUNTU-CVE-2015-6806","details":"The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.","modified":"2026-02-04T02:14:57.689241Z","published":"2015-09-28T00:00:00Z","related":["USN-3996-1"],"upstream":["CVE-2015-6806"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-6806"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/09/01/1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3996-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-6806"}],"affected":[{"package":{"name":"screen","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"}]}],"versions":["4.0.3-14ubuntu10","4.1.0~20120320gitdb59704-9"],"ecosystem_specific":{"binaries":[{"binary_name":"screen","binary_version":"4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-6806.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}