{"id":"CVE-2026-109679","title":"FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body","summary":"FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NU…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:10:50.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109679","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00304,"epssPercentile":0.23026,"ingestedAt":"2026-10-13T14:29:01.848Z","vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0-beta4 < 3.32.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-18T12:07:28.897020Z"},"slug":"CVE-2026-109679","body":"## Overview\n\nFreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":224382,"id":"CVE-2026-109679","ts":1792327374639,"field":"exploit_available","old":"false","new":"true"}]}