Accepting request 1298978 from devel:languages:python

- Make the libalternatives transition conditional

OBS-URL: https://build.opensuse.org/request/show/1298978
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-cbor2?expand=0&rev=16

CVE-2025-64076.patch

@@ -1,71 +0,0 @@
-From 851473490281f82d82560b2368284ef33cf6e8f9 Mon Sep 17 00:00:00 2001
-From: lizhenghao <sculizhenghao@foxmail.com>
-Date: Wed, 22 Oct 2025 10:26:34 +0800
-Subject: [PATCH 1/3] Fix: Fixed a read(-1) vulnerability caused by boundary
- handling error in #264
-
----
- source/decoder.c      |  8 +++++++-
- tests/test_decoder.py | 22 ++++++++++++++++++++++
- 2 files changed, 29 insertions(+), 1 deletion(-)
-
-Index: cbor2-5.6.5/source/decoder.c
-===================================================================
---- cbor2-5.6.5.orig/source/decoder.c
-+++ cbor2-5.6.5/source/decoder.c
-@@ -758,7 +758,7 @@ decode_definite_long_string(CBORDecoderO
-     char *buffer = NULL;
-     while (left) {
-         // Read up to 65536 bytes of data from the stream
--        Py_ssize_t chunk_length = 65536 - buffer_size;
-+        Py_ssize_t chunk_length = 65536 - buffer_length;
-         if (left < chunk_length)
-             chunk_length = left;
- 
-@@ -828,7 +828,13 @@ decode_definite_long_string(CBORDecoderO
-                 memcpy(buffer, bytes_buffer + consumed, unconsumed);
-             }
-             buffer_length = unconsumed;
-+        } else {
-+            // All bytes consumed, reset buffer_length
-+            buffer_length = 0;
-         }
-+
-+        Py_DECREF(chunk);
-+        chunk = NULL;
-     }
- 
-     if (ret && string_namespace_add(self, ret, length) == -1)
-Index: cbor2-5.6.5/tests/test_decoder.py
-===================================================================
---- cbor2-5.6.5.orig/tests/test_decoder.py
-+++ cbor2-5.6.5/tests/test_decoder.py
-@@ -260,6 +260,28 @@ def test_string_oversized(impl) -> None:
-         (impl.loads(unhexlify("aeaeaeaeaeaeaeaeae0108c29843d90100d8249f0000aeaeffc26ca799")),)
- 
- 
-+def test_string_issue_264_multiple_chunks_utf8_boundary(impl) -> None:
-+    """Test for Issue #264: UTF-8 characters split across multiple 65536-byte chunk boundaries."""
-+    import struct
-+
-+    # Construct: 65535 'a' + '€' (3 bytes) + 65533 'b' + '€' (3 bytes) + 100 'd'
-+    # Total: 131174 bytes, which spans 3 chunks (65536 + 65536 + 102)
-+    total_bytes = 65535 + 3 + 65533 + 3 + 100
-+
-+    payload = b"\x7a" + struct.pack(">I", total_bytes)  # major type 3, 4-byte length
-+    payload += b"a" * 65535
-+    payload += "€".encode()  # U+20AC: E2 82 AC
-+    payload += b"b" * 65533
-+    payload += "€".encode()
-+    payload += b"d" * 100
-+
-+    expected = "a" * 65535 + "€" + "b" * 65533 + "€" + "d" * 100
-+
-+    result = impl.loads(payload)
-+    assert result == expected
-+    assert len(result) == 131170  # 65535 + 1 + 65533 + 1 + 100 characters
-+
-+
- @pytest.mark.parametrize(
-     "payload, expected",
-     [

python-cbor2.changes

@@ -1,11 +1,3 @@
--------------------------------------------------------------------
-Wed Nov 19 10:56:07 UTC 2025 - Daniel Garcia <daniel.garcia@suse.com>
-
-- Add CVE-2025-64076.patch from upstream. Fix: bug in
-  decode_definite_long_string() that causes incorrect chunk length
-  calculation
-  (bsc#1253746, CVE-2025-64076, gh#agronholm/cbor2#265)
-
 -------------------------------------------------------------------
 Tue Aug 12 08:01:01 UTC 2025 - Markéta Machová <mmachova@suse.com>
 

python-cbor2.spec

@@ -29,8 +29,6 @@ Summary:        Pure Python CBOR (de)serializer with extensive tag support
 License:        MIT
 URL:            https://github.com/agronholm/cbor2
 Source:         https://files.pythonhosted.org/packages/source/c/cbor2/cbor2-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM CVE-2025-64076.patch bsc#1253746 gh#agronholm/cbor2#265
-Patch0:         CVE-2025-64076.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module hypothesis}
 BuildRequires:  %{python_module pip}