{"id":"CVE-2026-112381","title":"Apache Traffic Server: Nullptr dereference in net_write_io on a POST half-close with chunked response","summary":"Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race intro…","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-476"],"vendor":"Apache Software Foundation","product":"Apache Traffic Server","affected":["apache_traffic_server 9.2.15","apache_traffic_server 10.1.4","apache_traffic_server 10.2.0"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T19:20:38.885Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112381","references":[{"url":"https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T20:11:44.907Z","slug":"CVE-2026-112381","body":"## Overview\n\nApache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-32564 flow-control backports.\n\n\n\nThis issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0.\n\n\n\nUsers are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.\n\n## Affected\n\n- `apache_traffic_server 9.2.15`\n- `apache_traffic_server 10.1.4`\n- `apache_traffic_server 10.2.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}