{
  "cveId": "CVE-2026-101283",
  "url": "https://patchblox.com/security/cve/CVE-2026-101283",
  "summary": "CVE-2026-101283 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-101283, released October 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "iperf3: iperf3 3.20\u20133.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a 256-byte RSA buffer is...",
  "description": "iperf3 3.20\u20133.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a 256-byte RSA buffer is BIO_read with the attacker-controlled ciphertext length (guard warns only), so an unauthenticated client overflows the heap via an oversized authtoken; fixed in 3.22",
  "published": "2026-09-30T22:16:33Z",
  "severity": "moderate",
  "epss": 0.00383,
  "epssPercentile": 0.32584,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "iperf",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.21-160000.1.1",
      "fix": "OPENSUSE-SU-2026:22090-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22090-1",
      "released": "2026-11-07T00:47:19Z"
    },
    {
      "platform": "linux",
      "product": "iperf",
      "release": "sles 15.7",
      "fixedVersion": "3.22-150000.3.18.1",
      "fix": "SUSE-SU-2026:4678-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4678-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "iperf",
      "release": "sles 16.0",
      "fixedVersion": "3.21-160000.1.1",
      "fix": "SUSE-SU-2026:24234-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24234-1",
      "released": "2026-11-07T00:44:01Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "Debian 14",
      "fixedVersion": "3.22-0.1",
      "fix": "DEBIAN-CVE-2026-101283",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-101283",
      "released": "2026-10-05T21:42:17Z"
    },
    {
      "platform": "linux",
      "product": "iperf3",
      "release": "amzn 2023",
      "fixedVersion": "3.22-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3299",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3299",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.22-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3299",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3299",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.22-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3299",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3299",
      "released": "2026-11-07T01:06:07Z"
    },
    {
      "platform": "linux",
      "product": "iperf3-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.22-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3299",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3299",
      "released": "2026-11-07T01:06:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}