{
  "cveId": "CVE-2026-15712",
  "url": "https://patchblox.com/security/cve/CVE-2026-15712",
  "summary": "CVE-2026-15712 is fixed in 10 products on 1 platform, first by FEDORA-2026-FCE2F41203, released September 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Soupclientmessageiohttp2: libsoup3: libsoup: http/2 goaway frame parsing heap buffer over-read via invalid nul-termination assumption",
  "description": "This update for libsoup fixes the following issues:\n\n- CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401).\n- CVE-2026-12547: Header \u0027Proxy-Authorization\u0027 leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via\n  an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via \u0060Proxy-Authorization\u0060 header in CONNECT tunnels\n  (bsc#1273156).",
  "published": "2026-07-17T01:01:51Z",
  "severity": "Moderate",
  "cvss": 5.9,
  "cwe": "Out-of-bounds Read",
  "epss": 0.00629,
  "epssPercentile": 0.50454,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15712",
  "fixes": [
    {
      "platform": "linux",
      "product": "libsoup",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.6.6-160000.5.1",
      "fix": "OPENSUSE-SU-2026:22181-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22181-1",
      "released": "2026-11-07T00:47:19Z"
    },
    {
      "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",
      "release": "sles 16.0",
      "fixedVersion": "3.6.6-160000.5.1",
      "fix": "SUSE-SU-2026:24470-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24470-1",
      "released": "2026-11-07T00:44:01Z"
    },
    {
      "platform": "linux",
      "product": "libsoup3",
      "release": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "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": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "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": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "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": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "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": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "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"
    },
    {
      "platform": "linux",
      "product": "mingw32-libsoup3",
      "release": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-libsoup3-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-libsoup3",
      "release": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-libsoup3-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "3.6.6-5.fc43",
      "fix": "FEDORA-2026-FCE2F41203",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-fce2f41203",
      "released": "2026-09-05T20:54:41Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}