{"affected":[{"defaultStatus":"unaffected","product":"FreeRDP","source":"CNA: VulnCheck","vendor":"FreeRDP","versions":[{"lessThan":"3.32.2","status":"affected","version":"3.17.0","versionType":"semver"},{"status":"unaffected","version":"3.32.2","versionType":"semver"}]}],"cveId":"CVE-2026-121395","cwes":["CWE-617"],"description":"FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential decoder when verbose WinPR assertions are enabled. A malicious RDP server can send a crafted RemoteFX tile with adjacent LL3 coefficients summing beyond signed 16-bit range to abort the client process.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793716079844,"publishedAt":1793716079844,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cg4f-57hc-v7w7"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-3.17.0-before-3.32.2-denial-of-service-via-remotefx-decoder"}],"remediation":[],"revision":"7452796c044aaef66385c84e361ada0cca8ee369cde8ca3dd6a2441d73255b3b","sources":[{"modifiedAt":1793716079844,"name":"CNA: VulnCheck","retrievedAt":1793718539899,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121395"}],"ssvc":null,"status":"published","title":"FreeRDP 3.17.0 before 3.32.2 Denial of Service via RemoteFX Decoder","updatedAt":1793718539899}