{"id":"CVE-2026-121956","title":"FreeRDP before 3.32.2 Double Free in WinPR Kerberos retrieveSomeTgt","summary":"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 remot…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-415"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-04T18:30:30.943671Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:30:59.992Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121956","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2557-79qc-6gfr","label":"GitHub Security Advisory (GHSA-2557-79qc-6gfr)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-double-free-in-winpr-kerberos-retrievesometgt","label":"VulnCheck Advisory: FreeRDP before 3.32.2 Double Free in WinPR Kerberos retrieveSomeTgt"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.490Z","epss":0.00431,"epssPercentile":0.37617,"slug":"CVE-2026-121956","body":"## Overview\n\nFreeRDP 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.\n\n## Affected\n\n- `FreeRDP < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}