{"id":"CVE-2026-109679","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109679","generatedAt":"2026-10-28T00:59:19.971Z","title":"Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.","description":"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 NULL to strnlen and crash the connecting client.","published":"2026-10-13T14:17:31.000Z","lastModified":"2026-10-20T20:43:20.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/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/M"},"cwe":["CWE-476"],"affected":["freerdp/freerdp"],"epss":{"score":0.00304,"percentile":0.22961,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00252,"percentile":0.15509}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T14:17:31.000Z","detail":{"score":"6.0","severity":"MEDIUM","publishedAt":"2026-10-13T14:17:31.220Z"},"summary":"New CVE, medium severity (CVSS 6.0)."}],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69","tags":["Exploit","Vendor Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69","tags":["Exploit","Vendor Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109679","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}