diff --git a/meta/recipes-support/vim/files/CVE-2026-57456.patch b/meta/recipes-support/vim/files/CVE-2026-57456.patch new file mode 100644 index 0000000000..9a4155ef04 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-57456.patch @@ -0,0 +1,149 @@ +From cce141c42740f122dd8486ae04e21c2a81016ba8 Mon Sep 17 00:00:00 2001 +From: Christian Brabandt +Date: Sun, 21 Jun 2026 19:50:56 +0000 +Subject: [PATCH] patch 9.2.0699: [security]: possible code execution with + python complete + +Problem: [security]: possible code execution with python complete + (morningbread) +Solution: Use repr() to quote the doc strings correctly + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-ppj8-wqjf-6fp3 + +Supported by AI + +Signed-off-by: Christian Brabandt + +Upstream-Status: Backport [https://github.com/vim/vim/commit/cce141c42740f122dd8486ae04e21c2a81016ba8] +CVE: CVE-2026-57456 +Signed-off-by: Vijay Anusuri +--- + runtime/autoload/python3complete.vim | 9 +++++---- + runtime/autoload/pythoncomplete.vim | 9 +++++---- + src/testdir/test_plugin_python3complete.vim | 15 +++++++++++++++ + 3 files changed, 25 insertions(+), 8 deletions(-) + +diff --git a/runtime/autoload/python3complete.vim b/runtime/autoload/python3complete.vim +index c4ef19d82f..f90cca74b3 100644 +--- a/runtime/autoload/python3complete.vim ++++ b/runtime/autoload/python3complete.vim +@@ -2,7 +2,7 @@ + " Maintainer: + " Previous Maintainer: Aaron Griffin + " Version: 0.10 +-" Last Updated: 2026 Jun 04 ++" Last Updated: 2026 Jun 21 + " + " Roland Puntaier: this file contains adaptations for python3 and is parallel to pythoncomplete.vim + " +@@ -22,6 +22,7 @@ + " previous code passed buffer-supplied expressions to exec() which + " Python evaluates at definition time, allowing arbitrary code + " execution via crafted def/class headers ++" * use repr() on doc strings to prevent code execution + " + " v 0.9 + " * Fixed docstring parsing for classes and functions +@@ -335,7 +336,7 @@ class Scope(object): + + def get_code(self): + str = "" +- if len(self.docstr) > 0: str += '"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += repr(self.docstr)+'\n' + str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n' + for sub in self.subscopes: + str += sub.get_code() +@@ -378,7 +379,7 @@ class Class(Scope): + if _DOTTED_NAME_RE.match(s.strip())] + if len(safe_supers) > 0: str += '(%s)' % ','.join(safe_supers) + str += ':\n' +- if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += self.childindent()+repr(self.docstr)+'\n' + if len(self.subscopes) > 0: + for s in self.subscopes: str += s.get_code() + else: +@@ -401,7 +402,7 @@ class Function(Scope): + safe_params = [p for p in safe_params if p] + str = "%sdef %s(%s):\n" % \ + (self.currentindent(),self.name,','.join(safe_params)) +- if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += self.childindent()+repr(self.docstr)+'\n' + str += "%spass\n" % self.childindent() + return str + +diff --git a/runtime/autoload/pythoncomplete.vim b/runtime/autoload/pythoncomplete.vim +index 39b1efd299..d2f5d57b0c 100644 +--- a/runtime/autoload/pythoncomplete.vim ++++ b/runtime/autoload/pythoncomplete.vim +@@ -2,7 +2,7 @@ + " Maintainer: + " Previous Maintainer: Aaron Griffin + " Version: 0.10 +-" Last Updated: 2026 Jun 04 ++" Last Updated: 2026 Jun 21 + " + " Changes + " TODO: +@@ -20,6 +20,7 @@ + " previous code passed buffer-supplied expressions to exec() which + " Python evaluates at definition time, allowing arbitrary code + " execution via crafted def/class headers ++" * use repr() on doc strings to prevent code execution + " + " v 0.9 + " * Fixed docstring parsing for classes and functions +@@ -350,7 +351,7 @@ class Scope(object): + + def get_code(self): + str = "" +- if len(self.docstr) > 0: str += '"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += repr(self.docstr)+'\n' + str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n' + for sub in self.subscopes: + str += sub.get_code() +@@ -393,7 +394,7 @@ class Class(Scope): + if _DOTTED_NAME_RE.match(s.strip())] + if len(safe_supers) > 0: str += '(%s)' % ','.join(safe_supers) + str += ':\n' +- if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += self.childindent()+repr(self.docstr)+'\n' + if len(self.subscopes) > 0: + for s in self.subscopes: str += s.get_code() + else: +@@ -416,7 +417,7 @@ class Function(Scope): + safe_params = [p for p in safe_params if p] + str = "%sdef %s(%s):\n" % \ + (self.currentindent(),self.name,','.join(safe_params)) +- if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' ++ if len(self.docstr) > 0: str += self.childindent()+repr(self.docstr)+'\n' + str += "%spass\n" % self.childindent() + return str + +diff --git a/src/testdir/test_plugin_python3complete.vim b/src/testdir/test_plugin_python3complete.vim +index e2b0c6616d..590348ee4a 100644 +--- a/src/testdir/test_plugin_python3complete.vim ++++ b/src/testdir/test_plugin_python3complete.vim +@@ -221,4 +221,19 @@ func Test_python3complete_allow_import_on_runs_imports() + \ 'g:pythoncomplete_allow_import=1 did not run the buffer import') + endfunc + ++func Test_python3complete_no_exec_via_class_docstring() ++ " A class-body docstring is emitted verbatim between triple quotes by ++ " get_code() and runs at class-definition time during exec(). A single- ++ " quoted source docstring lets an embedded """ survive doc()'s leading/ ++ " trailing quote strip and break out of the generated literal. ++ let marker = tempname() ++ call s:CompleteAndExpectNoMarker([ ++ \ 'class Foo:', ++ \ ' ''x"""+open("' . marker . '", "w").close()+"""y''', ++ \ ' pass', ++ \ 'Foo.', ++ \ ], marker, ++ \ 'class docstring expression was evaluated during omni-completion') ++endfunc ++ + " vim: shiftwidth=2 sts=2 expandtab +-- +2.43.0 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index dec5b68324..008dbdb8df 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -29,6 +29,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https;tag=v${PV} file://CVE-2026-57451.patch \ file://CVE-2026-57454.patch \ file://CVE-2026-57455.patch \ + file://CVE-2026-57456.patch \ " PV .= ".0340"