poco: patch CVE-2025-6375

Pick commit mentioned in [1].

[1] https://nvd.nist.gov/vuln/detail/CVE-2025-6375

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

2 files changed, 35 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/poco/poco/CVE-2025-6375.patch b/meta-oe/recipes-support/poco/poco/CVE-2025-6375.patch
new file mode 100644
index 0000000000..2ec8f819f9
--- /dev/null
+++ b/meta-oe/recipes-support/poco/poco/CVE-2025-6375.patch
@@ -0,0 +1,34 @@
+From 6f2f85913c191ab9ddfb8fae781f5d66afccf3bf Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?G=C3=BCnter=20Obiltschnig?= <guenter.obiltschnig@appinf.com>
+Date: Wed, 16 Apr 2025 09:15:33 +0200
+Subject: [PATCH] fix(Net): A SEGV at Net/src/MultipartReader.cpp:164:1 #4915
+ (move assertion out of ctor)
+
+CVE: CVE-2025-6375
+Upstream-Status: Backport [https://github.com/pocoproject/poco/commit/6f2f85913c191ab9ddfb8fae781f5d66afccf3bf]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ Net/src/MultipartReader.cpp | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/Net/src/MultipartReader.cpp b/Net/src/MultipartReader.cpp
+index f3a2f2bba..f4aa27dd8 100644
+--- a/Net/src/MultipartReader.cpp
++++ b/Net/src/MultipartReader.cpp
+@@ -36,7 +36,6 @@ MultipartStreamBuf::MultipartStreamBuf(std::istream& istr, const std::string& bo
+        _boundary(boundary),
+        _lastPart(false)
+ {
+-       poco_assert (!boundary.empty() && boundary.length() < STREAM_BUFFER_SIZE - 6);
+ }
+ 
+ 
+@@ -47,7 +46,7 @@ MultipartStreamBuf::~MultipartStreamBuf()
+ 
+ int MultipartStreamBuf::readFromDevice(char* buffer, std::streamsize length)
+ {
+-       poco_assert_dbg (length >= _boundary.length() + 6);
++       poco_assert (!_boundary.empty() && _boundary.length() < length - 6);
+ 
+        static const int eof = std::char_traits<char>::eof();
+        std::streambuf& buf = *_istr.rdbuf();
diff --git a/meta-oe/recipes-support/poco/poco_1.11.2.bb b/meta-oe/recipes-support/poco/poco_1.11.2.bb
index ae8bbf87e4..075eb72a06 100644
--- a/meta-oe/recipes-support/poco/poco_1.11.2.bb
+++ b/meta-oe/recipes-support/poco/poco_1.11.2.bb
@@ -11,6 +11,7 @@ DEPENDS = "libpcre zlib"
 SRC_URI = " \
     git://github.com/pocoproject/poco.git;branch=main;protocol=https \
     file://run-ptest \
+    file://CVE-2025-6375.patch \
    "
 SRCREV = "9d1c428c861f2e5ccf09149bbe8d2149720c5896"