{
  "cveId": "CVE-2026-12478",
  "url": "https://patchblox.com/security/cve/CVE-2026-12478",
  "summary": "CVE-2026-12478 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2026-12478, released July 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libsoup3: The fix for CVE-2026-0716 (commit 6ff7ef0, libsoup 3.6.6) placed the integer overflow guard inside the if (masked) bl...",
  "description": "The fix for CVE-2026-0716 (commit 6ff7ef0, libsoup 3.6.6) placed the integer overflow guard inside the if (masked) block, leaving unmasked server-to-client frames unprotected. A malicious WebSocket server can send a crafted unmasked frame with a payload length near UINT64_MAX to trigger an OOB read in a libsoup-based client when max_incoming_payload_size is set to\u00A00.",
  "published": "2026-07-14T03:16:00Z",
  "severity": "medium",
  "cvss": 4.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
  "epss": 0.00241,
  "epssPercentile": 0.15266,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gir1.2-soup-3.0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.7-0ubuntu1\u002Besm10",
      "fix": "gir1.2-soup-3.0 3.0.7-0ubuntu1\u002Besm10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-gir1.2-soup-3.0-3.0.7-0ubuntu1-esm10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-soup-3.0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.4.4-5ubuntu0.10",
      "fix": "gir1.2-soup-3.0 3.4.4-5ubuntu0.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-gir1.2-soup-3.0-3.4.4-5ubuntu0.10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-soup-3.0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.6.6-1ubuntu0.2",
      "fix": "gir1.2-soup-3.0 3.6.6-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-gir1.2-soup-3.0-3.6.6-1ubuntu0.2",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup",
      "release": "amzn 2023",
      "fixedVersion": "2.72.0-6.amzn2023.0.15",
      "fix": "ALAS2023-2026-3154",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3154",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libsoup",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.6.6-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21871-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21871-1",
      "released": "2026-09-17T07:56:20Z"
    },
    {
      "platform": "linux",
      "product": "libsoup",
      "release": "sles 15.6",
      "fixedVersion": "3.4.4-150600.3.56.1",
      "fix": "SUSE-SU-2026:4558-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4558-1",
      "released": "2026-10-07T08:51:33Z"
    },
    {
      "platform": "linux",
      "product": "libsoup",
      "release": "sles 15.7",
      "fixedVersion": "3.4.4-150600.3.56.1",
      "fix": "SUSE-SU-2026:4558-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4558-1",
      "released": "2026-10-07T08:51:33Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.7-0ubuntu1\u002Besm10",
      "fix": "libsoup-3.0-0 3.0.7-0ubuntu1\u002Besm10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsoup-3.0-0-3.0.7-0ubuntu1-esm10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.4.4-5ubuntu0.10",
      "fix": "libsoup-3.0-0 3.4.4-5ubuntu0.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libsoup-3.0-0-3.4.4-5ubuntu0.10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.6.6-1ubuntu0.2",
      "fix": "libsoup-3.0-0 3.6.6-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libsoup-3.0-0-3.6.6-1ubuntu0.2",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-common",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.7-0ubuntu1\u002Besm10",
      "fix": "libsoup-3.0-common 3.0.7-0ubuntu1\u002Besm10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsoup-3.0-common-3.0.7-0ubuntu1-esm10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-common",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.4.4-5ubuntu0.10",
      "fix": "libsoup-3.0-common 3.4.4-5ubuntu0.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libsoup-3.0-common-3.4.4-5ubuntu0.10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-common",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.6.6-1ubuntu0.2",
      "fix": "libsoup-3.0-common 3.6.6-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libsoup-3.0-common-3.6.6-1ubuntu0.2",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-tests",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.7-0ubuntu1\u002Besm10",
      "fix": "libsoup-3.0-tests 3.0.7-0ubuntu1\u002Besm10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsoup-3.0-tests-3.0.7-0ubuntu1-esm10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-tests",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.4.4-5ubuntu0.10",
      "fix": "libsoup-3.0-tests 3.4.4-5ubuntu0.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libsoup-3.0-tests-3.4.4-5ubuntu0.10",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-3.0-tests",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.6.6-1ubuntu0.2",
      "fix": "libsoup-3.0-tests 3.6.6-1ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libsoup-3.0-tests-3.6.6-1ubuntu0.2",
      "released": "2026-09-30T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.72.0-6.amzn2023.0.15",
      "fix": "ALAS2023-2026-3154",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3154",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.72.0-6.amzn2023.0.15",
      "fix": "ALAS2023-2026-3154",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3154",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-devel",
      "release": "amzn 2023",
      "fixedVersion": "2.72.0-6.amzn2023.0.15",
      "fix": "ALAS2023-2026-3154",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3154",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libsoup-doc",
      "release": "amzn 2023",
      "fixedVersion": "2.72.0-6.amzn2023.0.15",
      "fix": "ALAS2023-2026-3154",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3154",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3",
      "release": "Debian 14",
      "fixedVersion": "3.8.0-1",
      "fix": "DEBIAN-CVE-2026-12478",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-12478",
      "released": "2026-07-14T10:16:30Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3",
      "release": "amzn 2023",
      "fixedVersion": "3.7.2-1.amzn2023",
      "fix": "ALAS2023-2026-3144",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3144",
      "released": "2026-09-28T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.7.2-1.amzn2023",
      "fix": "ALAS2023-2026-3144",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3144",
      "released": "2026-09-28T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.7.2-1.amzn2023",
      "fix": "ALAS2023-2026-3144",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3144",
      "released": "2026-09-28T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.7.2-1.amzn2023",
      "fix": "ALAS2023-2026-3144",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3144",
      "released": "2026-09-28T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3-doc",
      "release": "amzn 2023",
      "fixedVersion": "3.7.2-1.amzn2023",
      "fix": "ALAS2023-2026-3144",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3144",
      "released": "2026-09-28T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}