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Security update for python-urllib3

Type: advisorySources: OSV

This update for python-urllib3 fixes the following issues: - CVE-2026-97687: traffic interception due to possible HTTPS proxy TLS configuration override (bsc#1283908). - CVE-2026-97688: denial of service due to infinite loop during chunked Deflate decoding (bsc#1283909). - CVE-2026-97689: denial of service due to unbounded memory allocation in chunk parser (bsc#1283910).

Products
python-urllib3
Affected versions
Not specified
Fixed versions
2.5.0-160000.8.1
CVEs
CVE-2026-97687, CVE-2026-97688, CVE-2026-97689
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 10:32 UTC · Revision 1

Source evidence

Security update for python-urllib3

core-osv · Original source

Published 9 Oct 2026, 11:46 UTC

This update for python-urllib3 fixes the following issues: - CVE-2026-97687: traffic interception due to possible HTTPS proxy TLS configuration override (bsc#1283908). - CVE-2026-97688: denial of service due to infinite loop during chunked Deflate decoding (bsc#1283909). - CVE-2026-97689: denial of service due to unbounded memory allocation in chunk parser (bsc#1283910).

osv:SUSE-SU-2026:24125-1

python-urllib3

Fixed versions: 2.5.0-160000.8.1

Complete source record
{
  "id": "70f3ed3ccc4522a9b934df973fca3d763ffd808cad6a134e143df5763ba50fb6",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24125-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for python-urllib3",
    "summary": "This update for python-urllib3 fixes the following issues: - CVE-2026-97687: traffic interception due to possible HTTPS proxy TLS configuration override (bsc#1283908). - CVE-2026-97688: denial of service due to infinite loop during chunked Deflate decoding (bsc#1283909). - CVE-2026-97689: denial of service due to unbounded memory allocation in chunk parser (bsc#1283910).",
    "evidence": "osv:SUSE-SU-2026:24125-1",
    "products": [
      {
        "name": {
          "value": "python-urllib3",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.5.0-160000.8.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:24125-1",
      "aliases": [
        "SUSE-SU-2026:24125-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.5.0-160000.8.1"
                }
              ]
            }
          ],
          "package": {
            "name": "python-urllib3",
            "purl": "pkg:rpm/suse/python-urllib3&distro=SUSE%20Linux%20Micro%206.2",
            "ecosystem": "SUSE:Linux Micro 6.2"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24125-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "python313-urllib3": "2.5.0-160000.8.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-13T17:23:11.248715407Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-97687",
        "CVE-2026-97688",
        "CVE-2026-97689"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-202624125-1/",
        "https://bugzilla.suse.com/1283908",
        "https://bugzilla.suse.com/1283909",
        "https://bugzilla.suse.com/1283910",
        "https://www.suse.com/security/cve/CVE-2026-97687",
        "https://www.suse.com/security/cve/CVE-2026-97688",
        "https://www.suse.com/security/cve/CVE-2026-97689"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-97687",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97688",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97689",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 311862,
  "published_at": "2026-10-09T11:46:03+00:00"
}