重要: kusanagi-nginx128 脆弱性情報

概要

kusanagi-nginx128の脆弱性情報を公開しました。修正した脆弱性は以下の通りとなります。

Security: a buffer overflow might occur while handling a COPY or MOVE request in a location with "alias", allowing an attacker to modify the source or destination path outside of the document root (CVE-2026-27654). Thanks to Calif.io in collaboration with Claude and Anthropic Research.
Security: processing of a specially crafted mp4 file by the ngx_http_mp4_module on 32-bit platforms might cause a worker process crash, or might have potential other impact (CVE-2026-27784). Thanks to Prabhav Srinath (sprabhav7).
Security: processing of a specially crafted mp4 file by the ngx_http_mp4_module might cause a worker process crash, or might have potential other impact (CVE-2026-32647). Thanks to Xint Code and Pavel Kohout (Aisle Research).
Security: a segmentation fault might occur in a worker process if the CRAM-MD5 or APOP authentication methods were used and authentication retry was enabled (CVE-2026-27651). Thanks to Arkadi Vainbrand.
Security: an attacker might use PTR DNS records to inject data in auth_http requests, as well as in the XCLIENT command in the backend SMTP connection (CVE-2026-28753). Thanks to Asim Viladi Oglu Manizada, Colin Warren, Xiao Liu (Yunnan University), Yuan Tan (UC Riverside), and Bird Liu (Lanzhou University).
Security: SSL handshake might succeed despite OCSP rejecting a client certificate in the stream module (CVE-2026-28755). Thanks to Mufeed VH of Winfunc Research.

CVSSスコアや脆弱性の報告者等、詳細については、以下の情報を参照してください。
なお、CVEの状況によっては情報がまだ公開されていない場合があります。