suse-su-2025:20330-1
Vulnerability from csaf_suse
Published
2025-05-20 08:39
Modified
2025-05-20 08:39
Summary
Security update for python-h11, python-httpcore

Notes

Title of the patch
Security update for python-h11, python-httpcore
Description of the patch
This update for python-h11, python-httpcore fixes the following issues: python-h11: - Update 0.16.0: * CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies (bsc#1241872) - 0.15.0: * Reject Content-Lengths >= 1 zettabyte (1 billion terabytes) early, without attempting to parse the integer (#181) python-httpcore: - CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies (bsc#1241872)
Patchnames
SUSE-SLE-Micro-6.1-114
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "critical"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for python-h11, python-httpcore",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for python-h11, python-httpcore fixes the following issues:\n\npython-h11:\n  - Update 0.16.0:\n    * CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies (bsc#1241872)\n  - 0.15.0:\n    * Reject Content-Lengths \u003e= 1 zettabyte (1 billion terabytes) early,\n      without attempting to parse the integer (#181)\n\npython-httpcore:\n  - CVE-2025-43859: Fixed accepting of malformed Chunked-Encoding bodies (bsc#1241872) \n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Micro-6.1-114",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_20330-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:20330-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202520330-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:20330-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-May/020908.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1241872",
        "url": "https://bugzilla.suse.com/1241872"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-43859 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-43859/"
      }
    ],
    "title": "Security update for python-h11, python-httpcore",
    "tracking": {
      "current_release_date": "2025-05-20T08:39:06Z",
      "generator": {
        "date": "2025-05-20T08:39:06Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:20330-1",
      "initial_release_date": "2025-05-20T08:39:06Z",
      "revision_history": [
        {
          "date": "2025-05-20T08:39:06Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "python311-h11-0.16.0-slfo.1.1_1.1.noarch",
                "product": {
                  "name": "python311-h11-0.16.0-slfo.1.1_1.1.noarch",
                  "product_id": "python311-h11-0.16.0-slfo.1.1_1.1.noarch"
                }
              },
              {
                "category": "product_version",
                "name": "python311-httpcore-0.16.3-slfo.1.1_2.1.noarch",
                "product": {
                  "name": "python311-httpcore-0.16.3-slfo.1.1_2.1.noarch",
                  "product_id": "python311-httpcore-0.16.3-slfo.1.1_2.1.noarch"
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Micro 6.1",
                "product": {
                  "name": "SUSE Linux Micro 6.1",
                  "product_id": "SUSE Linux Micro 6.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sl-micro:6.1"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python311-h11-0.16.0-slfo.1.1_1.1.noarch as component of SUSE Linux Micro 6.1",
          "product_id": "SUSE Linux Micro 6.1:python311-h11-0.16.0-slfo.1.1_1.1.noarch"
        },
        "product_reference": "python311-h11-0.16.0-slfo.1.1_1.1.noarch",
        "relates_to_product_reference": "SUSE Linux Micro 6.1"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python311-httpcore-0.16.3-slfo.1.1_2.1.noarch as component of SUSE Linux Micro 6.1",
          "product_id": "SUSE Linux Micro 6.1:python311-httpcore-0.16.3-slfo.1.1_2.1.noarch"
        },
        "product_reference": "python311-httpcore-0.16.3-slfo.1.1_2.1.noarch",
        "relates_to_product_reference": "SUSE Linux Micro 6.1"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-43859",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-43859"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11\u0027s parsing of line terminators in chunked-coding message bodies can lead to request smuggling vulnerabilities under certain conditions. This issue has been patched in version 0.16.0. Since exploitation requires the combination of buggy h11 with a buggy (reverse) proxy, fixing either component is sufficient to mitigate this issue.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.1:python311-h11-0.16.0-slfo.1.1_1.1.noarch",
          "SUSE Linux Micro 6.1:python311-httpcore-0.16.3-slfo.1.1_2.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-43859",
          "url": "https://www.suse.com/security/cve/CVE-2025-43859"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1241872 for CVE-2025-43859",
          "url": "https://bugzilla.suse.com/1241872"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.1:python311-h11-0.16.0-slfo.1.1_1.1.noarch",
            "SUSE Linux Micro 6.1:python311-httpcore-0.16.3-slfo.1.1_2.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.1:python311-h11-0.16.0-slfo.1.1_1.1.noarch",
            "SUSE Linux Micro 6.1:python311-httpcore-0.16.3-slfo.1.1_2.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-05-20T08:39:06Z",
          "details": "critical"
        }
      ],
      "title": "CVE-2025-43859"
    }
  ]
}


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