{"id":"CVE-2026-73242","title":"FreeRDP is a free implementation of the Remote Desktop Protocol","summary":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP's winpr/libwinpr/sspi/Kerberos/kerberos.c kerberos_DecryptMessage function fails to bound the peer-controlled GSS Wrap-token EC field before using …","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-122","CWE-125"],"vendor":"freerdp","product":"freerdp","affected":["freerdp < 3.30.0"],"patched":["freerdp 3.30.0"],"published":"2026-08-11","updated":"2026-09-25","sourceUpdated":"2026-09-25T14:59:03.327","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73242","references":[{"url":"https://github.com/FreeRDP/FreeRDP/commit/0adf5e30d01be84e190a359a7bdd37bc51d740cc","label":"security-advisories@github.com"},{"url":"https://github.com/FreeRDP/FreeRDP/pull/13065","label":"security-advisories@github.com"},{"url":"https://github.com/FreeRDP/FreeRDP/releases/tag/3.30.0","label":"security-advisories@github.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vv64-95pc-vj9v","label":"security-advisories@github.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vv64-95pc-vj9v","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73242.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-73242"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514346"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73242"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73242"},{"url":"https://access.redhat.com/errata/RHSA-2026:68706"},{"url":"https://access.redhat.com/errata/RHSA-2026:61378"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.00399,"epssPercentile":0.34028,"scores":{"nvd":9.1,"vendor":6.4},"ingestedAt":"2026-09-09T21:22:45.529Z","slug":"CVE-2026-73242","body":"## Overview\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP's winpr/libwinpr/sspi/Kerberos/kerberos.c kerberos_DecryptMessage function fails to bound the peer-controlled GSS Wrap-token EC field before using it with RRC in IOV pointer offsets, allowing a malicious RDP peer to trigger out-of-bounds reads and in-place writes during CredSSP/NLA Kerberos decryption. This issue is fixed in version 3.30.0.\n\n## Affected\n\n- `freerdp < 3.30.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `freerdp 3.30.0`\n\n## Vendor advisories\n\n- **RHSA-2026:68706** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68706)\n- **RHSA-2026:61378** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-08-31 · [advisory](https://access.redhat.com/errata/RHSA-2026:61378)","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":210874,"id":"CVE-2026-73242","ts":1790349090421,"field":"cvss","old":"6.4","new":"9.1"},{"seq":210873,"id":"CVE-2026-73242","ts":1790349090421,"field":"severity","old":"medium","new":"critical"},{"seq":206981,"id":"CVE-2026-73242","ts":1789749732381,"field":"cvss","old":null,"new":"6.4"},{"seq":206980,"id":"CVE-2026-73242","ts":1789749732381,"field":"severity","old":"none","new":"medium"}]}