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([203.211.104.195]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a0d22281f0sm2876420a91.1.2026.09.26.17.39.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Sep 2026 17:39:42 -0700 (PDT) From: ankur.tyagi85@gmail.com To: openembedded-devel@lists.openembedded.org Cc: Ankur Tyagi Subject: [oe][meta-python][wrynose][PATCH 7/11] python3-tornado: patch CVE-2026-91991 Date: Sun, 27 Sep 2026 13:39:17 +1300 Message-ID: <20260927003921.746786-7-ankur.tyagi85@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260927003921.746786-1-ankur.tyagi85@gmail.com> References: <20260927003921.746786-1-ankur.tyagi85@gmail.com> 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 ; Sun, 27 Sep 2026 00:39:50 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/130326 From: Ankur Tyagi Backport patch from v6.5.8 matching CVE description. Details: https://nvd.nist.gov/vuln/detail/cve-2026-91991 Signed-off-by: Ankur Tyagi --- .../python3-tornado/CVE-2026-91991.patch | 57 +++++++++++++++++++ .../python/python3-tornado_6.5.7.bb | 1 + 2 files changed, 58 insertions(+) create mode 100644 meta-python/recipes-devtools/python/python3-tornado/CVE-2026-91991.patch diff --git a/meta-python/recipes-devtools/python/python3-tornado/CVE-2026-91991.patch b/meta-python/recipes-devtools/python/python3-tornado/CVE-2026-91991.patch new file mode 100644 index 0000000000..6bd755af57 --- /dev/null +++ b/meta-python/recipes-devtools/python/python3-tornado/CVE-2026-91991.patch @@ -0,0 +1,57 @@ +From 566a5ff64a530dfbc6bb6afbb1615c3e7addfd8d Mon Sep 17 00:00:00 2001 +From: Ben Darnell +Date: Wed, 5 Aug 2026 21:33:26 -0400 +Subject: [PATCH] web: Also check for semicolons in deprecated mixed-case + cookie args + +(cherry picked from commit da284767eae8e1f0484f123b8c3225f6465b09c7) + +CVE: CVE-2026-91991 +Upstream-Status: Backport [https://github.com/tornadoweb/tornado/commit/da284767eae8e1f0484f123b8c3225f6465b09c7] + +Signed-off-by: Ankur Tyagi +--- + tornado/test/web_test.py | 12 ++++++++++++ + tornado/web.py | 6 ++++++ + 2 files changed, 18 insertions(+) + +diff --git a/tornado/test/web_test.py b/tornado/test/web_test.py +index 9bd1d49c..27e7fcfe 100644 +--- a/tornado/test/web_test.py ++++ b/tornado/test/web_test.py +@@ -329,6 +329,18 @@ class CookieTest(WebTestCase): + "unexpected exception for char %r in domain: %s\n" + % (char, e) + ) ++ try: ++ self.set_cookie("foo", "bar", DoMaIn="example" + char + ".com") ++ self.write( ++ "Didn't get expected exception for char %r in DoMaIn\n" ++ % char ++ ) ++ except http.cookies.CookieError as e: ++ if "Invalid cookie attribute DoMaIn" not in str(e): ++ self.write( ++ "unexpected exception for char %r in DoMaIn: %s\n" ++ % (char, e) ++ ) + + try: + self.set_cookie("foo", "bar", path="/" + char) +diff --git a/tornado/web.py b/tornado/web.py +index ec7ec3f5..6f1ae304 100644 +--- a/tornado/web.py ++++ b/tornado/web.py +@@ -717,6 +717,12 @@ class RequestHandler: + raise http.cookies.CookieError( + f"Invalid cookie attribute {attr_name}={attr_value!r} for cookie {name!r}" + ) ++ for k, v in kwargs.items(): ++ # Also check for disallowed characters in deprecated kwargs. ++ if re.search(r"[\x00-\x20\x3b\x7f]", str(v)): ++ raise http.cookies.CookieError( ++ f"Invalid cookie attribute {k}={v!r} for cookie {name!r}" ++ ) + if not hasattr(self, "_new_cookie"): + self._new_cookie = ( + http.cookies.SimpleCookie() diff --git a/meta-python/recipes-devtools/python/python3-tornado_6.5.7.bb b/meta-python/recipes-devtools/python/python3-tornado_6.5.7.bb index ce7b903ef7..ca5b0a0470 100644 --- a/meta-python/recipes-devtools/python/python3-tornado_6.5.7.bb +++ b/meta-python/recipes-devtools/python/python3-tornado_6.5.7.bb @@ -10,6 +10,7 @@ SRC_URI[sha256sum] = "66c513a76cda70d53907bc27cf1447557699c2e95aa48ba27a442ff61c SRC_URI += "file://CVE-2026-91990.patch \ file://CVE-2026-82397.patch \ + file://CVE-2026-91991.patch \ " inherit pypi python_setuptools_build_meta