{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
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        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "contact_details": "https://tuxcare.com/contact/",
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/cloudlinux7els/vex/2026/cve-2026-4271-els_os-cloudlinux7els.json"
      }
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        "date": "2026-10-23T22:30:07Z",
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      "revision_history": [
        {
          "date": "2026-03-17T12:16:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-23T22:30:07Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-4271"
  },
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      },
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-4271",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the application attempting to access memory that has already been freed, potentially causing application instability or crashes, resulting in a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "CloudLinux-7:libsoup-0:2.62.2-2.0.13.el7.tuxcare.els2.i686",
          "CloudLinux-7:libsoup-0:2.62.2-2.0.13.el7.tuxcare.els2.x86_64",
          "CloudLinux-7:libsoup-devel-0:2.62.2-2.0.13.el7.tuxcare.els2.i686",
          "CloudLinux-7:libsoup-devel-0:2.62.2-2.0.13.el7.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-4271"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:15968",
          "url": "https://access.redhat.com/errata/RHSA-2026:15968"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:17482",
          "url": "https://access.redhat.com/errata/RHSA-2026:17482"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:19143",
          "url": "https://access.redhat.com/errata/RHSA-2026:19143"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2026-4271",
          "url": "https://access.redhat.com/security/cve/CVE-2026-4271"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2448044",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448044"
        },
        {
          "category": "external",
          "summary": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/496",
          "url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/496"
        }
      ],
      "release_date": "2026-03-17T12:16:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-16T06:40:32.044238Z",
          "details": "important",
          "product_ids": [
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            "CloudLinux-7:libsoup-0:2.62.2-2.0.13.el7.tuxcare.els2.x86_64",
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}