From patchwork Thu Feb 5 12:04:21 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gyorgy Sarvari X-Patchwork-Id: 80508 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E705DEC1EA5 for ; Thu, 5 Feb 2026 12:04:30 +0000 (UTC) Received: from mail-wr1-f42.google.com (mail-wr1-f42.google.com [209.85.221.42]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.19273.1770293065224190699 for ; Thu, 05 Feb 2026 04:04:25 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20230601 header.b=KeFcPhOJ; spf=pass (domain: gmail.com, ip: 209.85.221.42, mailfrom: skandigraun@gmail.com) Received: by mail-wr1-f42.google.com with SMTP id ffacd0b85a97d-42fb2314f52so577961f8f.0 for ; Thu, 05 Feb 2026 04:04:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770293063; x=1770897863; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=YFh42pxqK97OGYnyKhP8gBVw6Ac+u3iqfJTDDN9MmG8=; b=KeFcPhOJL3Coz2dGxTj7fMTs5mCxL5fR8jvnBwqZ9/wyrOa7ASu6NI6MqNEd/C5JGY nKfnTmXclkAGSBfTGQzfagukGQAbT5tGlOETJlClh2zxW7uW7qWg1byJiClaQp4Ds1WW Wa1unlxvlN9UQPScYX5oEDAq3owBOqVBxsR1xGH+FIkJSioQylMoz+MrYqRdmbJ61Z2I 5DA9ofmD+ZeZq/Ku9/azPYvdrZkvSjJNeAvQLjZqWEYYVPRKaRPBQud2OdiCme5Tj02P j8SwKn8hkZWxlrB2d/5snV+/32UsDZYpfv/in8hWM7Ehua8NVECEhZNccsybEH/ND897 IlTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770293063; x=1770897863; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=YFh42pxqK97OGYnyKhP8gBVw6Ac+u3iqfJTDDN9MmG8=; b=kuyrImG1/wd10umQVaBYrBLFv/b+fi2BLYclIOdfXHMaVqT6Kwo0JcMBOTMXN3YFnz qPQzrpBVnzNbie3xcDOq7X0HosNqT48Bo0MtBJpSxDkrH2IjgdUiBPGp2X5fPJMIx4CK zAqFxFmGgo2theBSvmkC56i7OINL5tptMMfI2itNilBc7yjFkhKryCJnisWLqigxsgKl Jg2Bd5C6MQQnhA+T5RfJkJ5SIn+cIh0hMETjS71vxJZ1Loy5e8NLp4q5yZF4IgZODjAx JSTJTz17DzYAtfurd4qqJdFZgdjGGKRin6wnxpuyqO7qu6tNB5ghUm2sQm58yPpk17Sw 3lmA== X-Gm-Message-State: AOJu0YwvZNuFLYlWnU4NHs9IBerUpW0qYLAG9Gq9mboNqeSIrAwF6hnP 8qXIztX5ydd9L04qg4QPttuG9XY9whlZr8Ryb6xzg2l/CCDLdQhAORsrB4gbTA== X-Gm-Gg: AZuq6aLktYVLdu2C0GNDmiZkT+MOq9C6ovmIKCjNWZvdIJGhVW1VtT+/6zNtX1iMcdS +r5fAIMWshgykJ8esKdhsHphVowYeVn1j7jUuQVdAjazgVU/M0oNW8S2zhByD0QGqYqxjgUIFyP f+G8cq0r64Xcc5Kmm7UlhpmTDhVMmki264sLk0qh24vRH6liYUSntlyshlGgEOhoarnANBPoh7T 2oyrdtV4YSiZUKktWxHFmghGVHB+KF0CRWqa4BrfSM85KS9NdHIVhiGlMSF+RiqYfEFt0amo8V9 B9aQdoD9n4x0pLKla5bVtk7dh5/h2r1HRth5PklNaxO052+RmNm82Bf20kkZVVgr636j1/EiOI/ iq4alF15KX8pzjcXpzDCIf6ApmUyKV9oeRH2ojk1I7jfvz3ykkEcPJucxDmCgkmERYagW61oBAW NIUiru48hF X-Received: by 2002:a05:6000:3104:b0:435:9756:d4c4 with SMTP id ffacd0b85a97d-43617e42220mr8715412f8f.17.1770293063329; Thu, 05 Feb 2026 04:04:23 -0800 (PST) Received: from desktop ([51.154.145.205]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-436180640e5sm12636556f8f.40.2026.02.05.04.04.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Feb 2026 04:04:22 -0800 (PST) From: Gyorgy Sarvari To: openembedded-devel@lists.openembedded.org Subject: [meta-python][whinlatter][PATCH 1/2] python3-python-multipart: patch CVE-2026-24486 Date: Thu, 5 Feb 2026 13:04:21 +0100 Message-ID: <20260205120422.1516950-1-skandigraun@gmail.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 05 Feb 2026 12:04:30 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/124210 Details: https://nvd.nist.gov/vuln/detail/CVE-2026-24486 Pick the patch that is referenced by the NVD advisory. Ptests passed successfully: Testsuite summary TOTAL: 121 PASS: 121 SKIP: 0 XFAIL: 0 FAIL: 0 XPASS: 0 ERROR: 0 DURATION: 2 Signed-off-by: Gyorgy Sarvari --- .../CVE-2026-24486.patch | 61 +++++++++++++++++++ .../python/python3-python-multipart_0.0.20.bb | 1 + 2 files changed, 62 insertions(+) create mode 100644 meta-python/recipes-devtools/python/python3-python-multipart/CVE-2026-24486.patch diff --git a/meta-python/recipes-devtools/python/python3-python-multipart/CVE-2026-24486.patch b/meta-python/recipes-devtools/python/python3-python-multipart/CVE-2026-24486.patch new file mode 100644 index 0000000000..110737a761 --- /dev/null +++ b/meta-python/recipes-devtools/python/python3-python-multipart/CVE-2026-24486.patch @@ -0,0 +1,61 @@ +From 1194f169d7f6db3b518c40ef703135ffc4015ebe Mon Sep 17 00:00:00 2001 +From: Marcelo Trylesinski +Date: Sun, 25 Jan 2026 10:37:09 +0100 +Subject: [PATCH] Merge commit from fork + +CVE: CVE-2026-24486 +Upstream-Status: Backport [https://github.com/Kludex/python-multipart/commit/9433f4bbc9652bdde82bbe380984e32f8cfc89c4] +Signed-off-by: Gyorgy Sarvari +--- + python_multipart/multipart.py | 4 +++- + tests/test_file.py | 26 ++++++++++++++++++++++++++ + 2 files changed, 29 insertions(+), 1 deletion(-) + create mode 100644 tests/test_file.py + +diff --git a/python_multipart/multipart.py b/python_multipart/multipart.py +index f26a815..7168c96 100644 +--- a/python_multipart/multipart.py ++++ b/python_multipart/multipart.py +@@ -376,7 +376,9 @@ class File: + + # Split the extension from the filename. + if file_name is not None: +- base, ext = os.path.splitext(file_name) ++ # Extract just the basename to avoid directory traversal ++ basename = os.path.basename(file_name) ++ base, ext = os.path.splitext(basename) + self._file_base = base + self._ext = ext + +diff --git a/tests/test_file.py b/tests/test_file.py +new file mode 100644 +index 0000000..4d65232 +--- /dev/null ++++ b/tests/test_file.py +@@ -0,0 +1,26 @@ ++from pathlib import Path ++ ++from python_multipart.multipart import File ++ ++ ++def test_upload_dir_with_leading_slash_in_filename(tmp_path: Path): ++ upload_dir = tmp_path / "upload" ++ upload_dir.mkdir() ++ ++ # When the file_name provided has a leading slash, we should only use the basename. ++ # This is to avoid directory traversal. ++ to_upload = tmp_path / "foo.txt" ++ ++ file = File( ++ bytes(to_upload), ++ config={ ++ "UPLOAD_DIR": bytes(upload_dir), ++ "UPLOAD_KEEP_FILENAME": True, ++ "UPLOAD_KEEP_EXTENSIONS": True, ++ "MAX_MEMORY_FILE_SIZE": 10, ++ }, ++ ) ++ file.write(b"123456789012") ++ assert not file.in_memory ++ assert Path(upload_dir / "foo.txt").exists() ++ assert Path(upload_dir / "foo.txt").read_bytes() == b"123456789012" diff --git a/meta-python/recipes-devtools/python/python3-python-multipart_0.0.20.bb b/meta-python/recipes-devtools/python/python3-python-multipart_0.0.20.bb index 71f9674ec8..fcb04bac04 100644 --- a/meta-python/recipes-devtools/python/python3-python-multipart_0.0.20.bb +++ b/meta-python/recipes-devtools/python/python3-python-multipart_0.0.20.bb @@ -2,6 +2,7 @@ SUMMARY = "A streaming multipart parser for Python" LICENSE = "Apache-2.0" LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=3d98f0d58b28321924a89ab60c82410e" +SRC_URI += "file://CVE-2026-24486.patch" SRC_URI[sha256sum] = "8dd0cab45b8e23064ae09147625994d090fa46f5b0d1e13af944c331a7fa9d13" inherit pypi python_hatchling ptest-python-pytest