SUSE-SU-2026:3855-1

SUSE-SU-2026:3855-1 · Security update for python36

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

This update for python36 fixes the following issues: - CVE-2026-0864: improper handling of line-ending characters can lead to configuration file injection when the `configparser` module is used (bsc#1269066). - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF bytes (bsc#1261969). - CVE-2026-1703: files may be extracted outside the installation directory when installing and extracting maliciously crafted `wheel` archives (bsc#1257599). - CVE-2026-3219: `pip` handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a tar and ZIP file (bsc#1262467). - CVE-2026-3276: quadratic complexity in `unicodedata.normalize()` can lead to DoS when processing specially crafted Unicode input (bsc#1267581). - CVE-2026-4360: in the `Tarfile.extract()` function, the filter parameter is not passed properly when extracting hardlinks (bsc#1269959). - CVE-2026-4786: URLs prefixed with `%action` can pass the dash-prefix safety check and allow for command injection (bsc#1262319). - CVE-2026-6019: `BaseCookie.js_output()` does not neutralize characters in cookie values embedded in JS (bsc#1262654). - CVE-2026-6100: use-after-free in decompression modules when a memory allocation fails with `MemoryError` and the decompression instance is re-used (bsc#1262098). - CVE-2026-6357: `pip` `self-update` functionality can import newly installed modules after wheel installation (bsc#1263442, bsc#1263443). - CVE-2026-7210: `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection (bsc#1264962). - CVE-2026-7774: `tarfile.data_filter` path traversal bypass allows writing outside the extraction directory (bsc#1267821). - CVE-2026-8328: `ftpcp()` does not use actual peer address and trusts server-supplied PASV host address (bsc#1265268). - CVE-2026-8643: path traversal via malicious entry point name in `pip` `wheel` installation allows arbitrary file overwrite (bsc#1266669). - CVE-2026-11940: tarfile extraction filter bypass via a crafted archive allows escaping the destination directory and enables arbitrary file reads and writes (bsc#1268977). - CVE-2026-11972: infinite loop due to improper EOF handling in the `tarfile` module streaming mode can lead to DoS (bsc#1269788). - CVE-2026-15308: incremental `HTMLParser` allows CPU-exhaustion DoS via repeated unterminated markup declarations (bsc#1271192). - Regression in `http.cookies` due to CVE-2026-6019 fix not handling non-ASCII characters correctly (bsc#1263083).

Fix available

Published

2026-08-28T12:15:45Z

Updated

2026-09-04T18:23:12.852150023Z

Stack: system

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