{"id":"CVE-2020-11523","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-11523","generatedAt":"2026-10-27T20:22:45.147Z","title":"libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.","description":"libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.","published":"2020-05-15T17:15:12.000Z","lastModified":"2026-06-17T02:50:20.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":["freerdp/freerdp","canonical/ubuntu linux","debian/debian linux","opensuse/leap"],"epss":{"score":0.02012,"percentile":0.80739,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.01%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/FreeRDP/FreeRDP/commits/master","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qrh-8cp8-4x42","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://pub.freerdp.com/cve/CVE-2020-11523/pocAnalysis_2.pdf","tags":["Exploit","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/4379-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/4382-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeRDP/FreeRDP/commits/master","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qrh-8cp8-4x42","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://pub.freerdp.com/cve/CVE-2020-11523/pocAnalysis_2.pdf","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4379-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4382-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11523","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}