Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wAY7w-000526-1v for pgsql-bugs@arkaria.postgresql.org; Wed, 08 Apr 2026 18:59:48 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wAY7t-001Vxl-28 for pgsql-bugs@arkaria.postgresql.org; Wed, 08 Apr 2026 18:59:46 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wAY7t-001Vxd-1L for pgsql-bugs@lists.postgresql.org; Wed, 08 Apr 2026 18:59:46 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wAY7s-000000002WY-0PDw for pgsql-bugs@lists.postgresql.org; Wed, 08 Apr 2026 18:59:45 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 638IxhMJ3099178; Wed, 8 Apr 2026 14:59:43 -0400 From: Tom Lane To: alexander.kurdakov@tantorlabs.ru cc: pgsql-bugs@lists.postgresql.org Subject: Re: BUG #19452: heap-buffer-overflow in `pg_basebackup --format=tar --gzip` In-reply-to: <19452-4e6c86f7c5eb55ac@postgresql.org> References: <19452-4e6c86f7c5eb55ac@postgresql.org> Comments: In-reply-to PG Bug reporting form message dated "Tue, 07 Apr 2026 23:27:17 -0000" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3099176.1775674783.1@sss.pgh.pa.us> Date: Wed, 08 Apr 2026 14:59:43 -0400 Message-ID: <3099177.1775674783@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk PG Bug reporting form writes: > In astreamer_tar_parser_content(), the ASTREAMER_MEMBER_TRAILER case > passes the wrong pointer to astreamer_content(). Indeed. I think we fixed this a few days ago in commits 01d58d7e3 et al. Could you test HEAD or v18 branch tip and verify that what you see is fixed? regards, tom lane