SUSE-SU-2026:4754-1

SUSE-SU-2026:4754-1 · Security update for python3

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 python3 fixes the following issues: Security issues fixed: - CVE-2026-0864: improper handling of line-ending characters can lead to configuration file injection when the `configparser` module is used (bsc#1269066). - CVE-2026-1703: files may be extracted outside the installation directory when installing and extracting maliciously crafted wheel archives (bsc#1257599 bsc#1274743). - CVE-2026-3219: pip doesn't reject concatenated ZIP (bsc#1262429 bsc#1262467). - CVE-2026-3276: quadratic complexity in `unicodedata.normalize()` can lead to DoS when processing specially crafted Unicode input (bsc#1267581). - CVE-2026-3446: Base64 decoding stops at first padded quad by default (bsc#1261970). - CVE-2026-3479: python: improper resource argument validation can allow path traversal (bsc#1259989). - CVE-2026-4224: C stack overflow when parsing XML with deeply nested DTD content models (bsc#1259735). - CVE-2026-4360: in the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks (bsc#1269959). - CVE-2026-6357: pip self-update functionality can import newly installed modules after wheel installation (bsc#1263442 bsc#1263443). - CVE-2026-6879: quadratic behavior in `xml.etree.ElementPath` index predicates can lead to a denial of service via high CPU usage (bsc#1273148). - 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-2026-9669: crafted input can cause a stack buffer overflow (bsc#1267974). - 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-2026-13346: Arbitrary file installation via malicious package indexes (bsc#1273090 bsc#1273091 bsc#1273094). - CVE-2026-15308: Incremental HTMLParser allows CPU-exhaustion DoS via repeated unterminated markup declarations (bsc#1271192). - CVE-2026-15310: memory exhaustion in zipfile in bzip2/LZMA/Zstandard decompression (bsc#1277111). - CVE-2026-15806: urllib.request.HTTPPasswordMgr credentials for one URL scheme sent over another scheme (bsc#1276223). - CVE-2026-17084: StringPrep algorithm considered Unicode codepoint attributes outside Unicode 3.2.0 (bsc#1276226). - CVE-2026-18503: attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and consume significant CPU (bsc#1274683). - CVE-2026-19672: tarfile extraction filter bypass allows creation of directories outside the destination (bsc#1276227). - CVE-2026-82049: tarfile extraction filters mishandle archives containing a hard link to a symbolic link, allowing file modification and content disclosure (bsc#1280459). Non security issue fixed: - Fix an error that returned non-zero exit status 1 (bsc#1277271). - Fix regression in `http.cookies` (bsc#1263083). - Update bundled pip wheels to pip-20.0.2-py2.py3-none-any.whl.

Fix available

Published

2026-10-20T10:52:18Z

Updated

2026-10-21T13:00:04.220561742Z

Stack: system

Check your server →