{"id":"CVE-2026-121508","title":"Use After Free in µD3TN","summary":"Use-After-Free in µD3TN BPv6 Fragmenter Cleanup allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-416"],"vendor":"D3TN GmbH","product":"µD3TN","affected":["µD3TN < 0.15.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-03T15:15:46.145439Z"},"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T15:29:27.937Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121508","references":[{"url":"https://gitlab.com/d3tn/ud3tn/-/work_items/291"}],"tags":["cve.org"],"epss":0.00377,"epssPercentile":0.31883,"ingestedAt":"2026-11-05T19:30:42.984Z","slug":"CVE-2026-121508","body":"## Overview\n\nUse-After-Free in µD3TN BPv6 Fragmenter Cleanup allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure\n\n## Affected\n\n- `µD3TN < 0.15.2`\n\n## Remediation\n\nUpgrade to version 0.15.2 or above.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}