{
  "cveId": "CVE-2025-54349",
  "url": "https://patchblox.com/security/cve/CVE-2025-54349",
  "summary": "CVE-2025-54349 is fixed in 6 products on 1 platform, first by iperf3 3.7-3ubuntu0.1~esm2, released August 2, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.",
  "description": "Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss.\n\nSecurity Fix(es):\n\n* iperf3: iperf Heap Buffer Overflow (CVE-2025-54349)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2025-08-02T19:15:00Z",
  "severity": "Moderate",
  "cvss": 10,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "cwe": "Off-by-one Error",
  "epss": 0.00468,
  "epssPercentile": 0.40804,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54349",
  "fixes": [
    {
      "platform": "linux",
      "product": "iperf",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "3.19.1-150000.3.15.1",
      "fix": "SUSE-SU-2025:02749-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02749-1",
      "released": "2025-08-11T07:06:39Z"
    },
    {
      "platform": "linux",
      "product": "iperf",
      "release": "sles 15.6",
      "fixedVersion": "3.19.1-150000.3.15.1",
      "fix": "SUSE-SU-2025:02749-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02749-1",
      "released": "2025-08-11T07:06:39Z"
    },
    {
      "platform": "linux",
      "product": "iperf",
      "release": "sles 15.7",
      "fixedVersion": "3.19.1-150000.3.15.1",
      "fix": "SUSE-SU-2025:02749-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-02749-1",
      "released": "2025-08-11T07:06:39Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "3.9-1\u002Bdeb11u3",
      "fix": "DLA-4281-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4281-1",
      "released": "2025-08-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.12-1\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2025-54349",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-54349",
      "released": "2025-08-03T02:15:35Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.18-2\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2025-54349",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-54349",
      "released": "2025-08-03T02:15:35Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Debian 14",
      "fixedVersion": "3.19.1-1",
      "fix": "DEBIAN-CVE-2025-54349",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-54349",
      "released": "2025-08-03T02:15:35Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "RHEL 10",
      "fixedVersion": "3.17.1-4.el10_0.1",
      "fix": "RHSA-2026:1967",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-1967",
      "released": "2025-08-03T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "RHEL 8",
      "fixedVersion": "0:3.5-12.el8_10",
      "fix": "RHSA-2026:1592",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-1592",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "RHEL 9",
      "fixedVersion": "0:3.9-14.el9_7.1",
      "fix": "RHSA-2026:1595",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-1595",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.7-3ubuntu0.1~esm2",
      "fix": "iperf3 3.7-3ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-iperf3-3.7-3ubuntu0.1-esm2",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.9-1\u002Bdeb11u1ubuntu0.1",
      "fix": "iperf3 3.9-1\u002Bdeb11u1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-iperf3-3.9-1-deb11u1ubuntu0.1",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.16-1ubuntu0.1~esm1",
      "fix": "iperf3 3.16-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-iperf3-3.16-1ubuntu0.1-esm1",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.18-2ubuntu0.1",
      "fix": "iperf3 3.18-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-iperf3-3.18-2ubuntu0.1",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "almalinux 10",
      "fixedVersion": "3.17.1-5.el10_1",
      "fix": "ALSA-2026:1597",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-1597",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "almalinux 8",
      "fixedVersion": "3.5-12.el8_10",
      "fix": "ALSA-2026:1592",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-1592",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "almalinux 9",
      "fixedVersion": "3.9-14.el9_7.1",
      "fix": "ALSA-2026:1595",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-1595",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "amzn 2023",
      "fixedVersion": "3.19.1-1.amzn2023",
      "fix": "ALAS2023-2025-1197",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1197",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "ol 10",
      "fixedVersion": "0:3.17.1-5.el10_1",
      "fix": "ELSA-2026-1597",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-1597",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "ol 8",
      "fixedVersion": "0:3.5-12.el8_10",
      "fix": "ELSA-2026-1592",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-1592",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "ol 9",
      "fixedVersion": "0:3.9-14.el9_7.1",
      "fix": "ELSA-2026-1595",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-1595",
      "released": "2026-01-29T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "rocky 10",
      "fixedVersion": "0:3.17.1-5.el10_1",
      "fix": "RLSA-2026:1597",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-1597",
      "released": "2026-02-03T17:23:52Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "rocky 8",
      "fixedVersion": "0:3.5-12.el8_10",
      "fix": "RLSA-2026:1592",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-1592",
      "released": "2026-02-03T17:19:45Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "rocky 9",
      "fixedVersion": "0:3.9-14.el9_7.1",
      "fix": "RLSA-2026:1595",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-1595",
      "released": "2026-02-05T09:10:29Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.19.1-1.amzn2023",
      "fix": "ALAS2023-2025-1197",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1197",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.19.1-1.amzn2023",
      "fix": "ALAS2023-2025-1197",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1197",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.19.1-1.amzn2023",
      "fix": "ALAS2023-2025-1197",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1197",
      "released": "2025-09-17T23:14:00Z"
    },
    {
      "platform": "linux",
      "product": "libiperf0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.7-3ubuntu0.1~esm2",
      "fix": "libiperf0 3.7-3ubuntu0.1~esm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libiperf0-3.7-3ubuntu0.1-esm2",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libiperf0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.9-1\u002Bdeb11u1ubuntu0.1",
      "fix": "libiperf0 3.9-1\u002Bdeb11u1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libiperf0-3.9-1-deb11u1ubuntu0.1",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libiperf0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.16-1ubuntu0.1~esm1",
      "fix": "libiperf0 3.16-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libiperf0-3.16-1ubuntu0.1-esm1",
      "released": "2025-08-02T19:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libiperf0",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.18-2ubuntu0.1",
      "fix": "libiperf0 3.18-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libiperf0-3.18-2ubuntu0.1",
      "released": "2025-08-02T19:15:00Z"
    }
  ],
  "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"
  }
}