Vulnerability-Lookup

alsa-2026:1595

Vulnerability from osv_almalinux

Published

2026-01-29 00:00

Modified

2026-02-02 10:01

Summary

Moderate: iperf3 security update

Details

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.

Security Fix(es):

iperf3: iperf Heap Buffer Overflow (CVE-2025-54349)

For 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.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "iperf3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.9-14.el9_7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "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\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.\n",
  "id": "ALSA-2026:1595",
  "modified": "2026-02-02T10:01:50Z",
  "published": "2026-01-29T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:1595"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-54349"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2386151"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2026-1595.html"
    }
  ],
  "related": [
    "CVE-2025-54349"
  ],
  "summary": "Moderate: iperf3 security update"
}

CVE-2025-54349 (GCVE-0-2025-54349)

Vulnerability from cvelistv5 – Published: 2025-08-03 00:00 – Updated: 2025-11-03 18:13

Summary

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

CWE

CWE-193 - Off-by-one Error

Assigner

mitre

References

URL

Tags

	https://github.com/esnet/iperf/commit/4e5313bab0b…
	https://github.com/esnet/iperf/releases/tag/3.19.1

Impacted products

	Vendor	Product	Version
	ES	iperf3	Affected: 0 , < 3.19.1 (custom)

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-54349",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-04T13:10:43.864344Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-04T13:10:50.498Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "providerMetadata": {
          "dateUpdated": "2025-11-03T18:13:18.718Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html"
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    ],
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        {
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          "product": "iperf3",
          "vendor": "ES",
          "versions": [
            {
              "lessThan": "3.19.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:es:iperf3:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "3.19.1",
                  "vulnerable": true
                }
              ],
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              "operator": "OR"
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          ]
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      ],
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        {
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          "value": "In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow."
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      "metrics": [
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          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
            "version": "3.1"
          }
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      "problemTypes": [
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      },
      "references": [
        {
          "url": "https://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf"
        },
        {
          "url": "https://github.com/esnet/iperf/releases/tag/3.19.1"
        }
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      "x_generator": {
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  "cveMetadata": {
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    "datePublished": "2025-08-03T00:00:00.000Z",
    "dateReserved": "2025-07-21T00:00:00.000Z",
    "dateUpdated": "2025-11-03T18:13:18.718Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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