SUSE-SU-2026:23191-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-202623191-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23191-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:23191-1
Upstream
CVE (13)
Related
CVE (13)
Published
2026-08-18T11:49:38Z
Modified
2026-08-25T18:23:44Z
Summary
Security update for python311
Details

This update for python311 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-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).
  • 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: Incomplete mitigation of %action expansion for command injection to webbrowser.open() (bsc#1262319).
  • CVE-2026-6019: BaseCookie.js_output() does not neutralize embedded characters (bsc#1262654).
  • CVE-2026-6100: Arbitrary code execution or information disclosure via use-after-free in decompression modules (bsc#1262098).
  • 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-2026-11940: 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).

Non security issues fixed:

  • Regression in http.cookies (bsc#1263083).
  • udplite was removed -> python fails in tests (bsc#1268375).
  • Conflicts between different versions of Python (bsc#1258364).
References

Affected packages

SUSE:Linux Micro 6.1 / python311

Package

Name
python311
Purl
pkg:rpm/suse/python311&distro=SUSE%20Linux%20Micro%206.1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.11.15-slfo.1.1_5.1

Ecosystem specific 

{
    "binaries":  [
        {
            "libpython3_11-1_0":  "3.11.15-slfo.1.1_5.1",
            "python311":  "3.11.15-slfo.1.1_5.1",
            "python311-base":  "3.11.15-slfo.1.1_5.1",
            "python311-curses":  "3.11.15-slfo.1.1_5.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23191-1.json"

SUSE:Linux Micro 6.1 / python311-core

Package

Name
python311-core
Purl
pkg:rpm/suse/python311-core&distro=SUSE%20Linux%20Micro%206.1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.11.15-slfo.1.1_5.1

Ecosystem specific 

{
    "binaries":  [
        {
            "libpython3_11-1_0":  "3.11.15-slfo.1.1_5.1",
            "python311":  "3.11.15-slfo.1.1_5.1",
            "python311-base":  "3.11.15-slfo.1.1_5.1",
            "python311-curses":  "3.11.15-slfo.1.1_5.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23191-1.json"