{"affected":[{"defaultStatus":"unaffected","product":"FreeRDP","source":"CNA: VulnCheck","vendor":"FreeRDP","versions":[{"lessThan":"3.32.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.32.2","versionType":"semver"}]}],"cveId":"CVE-2026-121956","cwes":["CWE-415"],"description":"FreeRDP before 3.32.2 contains a double free in the WinPR Kerberos SSPI retrieveSomeTgt function, which installs the krb5 default realm into a target principal that has an empty realm without taking ownership of it. Unauthenticated remote clients can send a crafted NLA/CredSSP u2u TGT request whose server-name component contains '@' to corrupt the heap and crash the server process.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},{"score":8.7,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.5,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793809068377,"publishedAt":1793806400931,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2557-79qc-6gfr"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-double-free-in-winpr-kerberos-retrievesometgt"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2557-79qc-6gfr"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-double-free-in-winpr-kerberos-retrievesometgt"}],"remediation":[],"revision":"ac39f01185c7e8207495fefc4c760469e918ab69868bf30f49af545a6e2269b8","sources":[{"modifiedAt":1793806400931,"name":"CNA: VulnCheck","retrievedAt":1793808632482,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121956"},{"modifiedAt":1793809068377,"name":"NVD","retrievedAt":1793816716173,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121956"}],"ssvc":null,"status":"published","title":"FreeRDP before 3.32.2 Double Free in WinPR Kerberos retrieveSomeTgt","updatedAt":1793816716173}