From 9e9f617a83f6593b476669030b0347d48e831c3f Mon Sep 17 00:00:00 2001 From: Narpat Mali Date: Mon, 9 Jan 2023 14:45:05 +0000 Subject: [PATCH] Limit the amount of whitespace to search/backtrack. Fixes #3659. CVE: CVE-2022-40897 Upstream-Status: Backport [https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be] Signed-off-by: Narpat Mali --- setuptools/package_index.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/setuptools/package_index.py b/setuptools/package_index.py index 270e7f3..e93fcc6 100644 --- a/setuptools/package_index.py +++ b/setuptools/package_index.py @@ -197,7 +197,7 @@ def unique_values(func): return wrapper -REL = re.compile(r"""<([^>]*\srel\s*=\s*['"]?([^'">]+)[^>]*)>""", re.I) +REL = re.compile(r"""<([^>]*\srel\s{0,10}=\s{0,10}['"]?([^'" >]+)[^>]*)>""", re.I) # this line is here to fix emacs' cruddy broken syntax highlighting -- 2.34.1