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u.com/security/CVE-2025-54349","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-7250","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-26306","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-53580","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-54350","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-54349","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.","status":"published","published":"2025-08-03T00:00:00Z","modified":"2025-11-03T18:13:18.718Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-23456","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.","status":"published","published":"2025-08-03T00:00:00Z","modified":"2025-11-03T18:13:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:34.635725Z"}],"ghsa":[{"id":"GHSA-8xx8-qrh3-q8mq","title":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer...","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one 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overflow.","status":"published","published":"2026-07-15T15:02:37.321Z","modified":"2026-07-25T18:24:51.882444101Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:47:19.003546Z"},{"id":"OESA-2025-1973","title":"iperf3 security update","description":"Iperf is a tool for active measurements of the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, protocols, and buffers.\r\n\r\nSecurity Fix(es):\n\niperf is an open source tool for ESnet to actively measure the maximum bandwidth that can be achieved on an IP network.\n There was a security vulnerability in iperf 3.19.1 version before iperf 3.19.1. This vulnerability originated from an error in iperf_auth.c, which may cause heap buffer overflow.(CVE-2025-54349)\n\niperf is an open source tool for ESnet to actively measure the maximum bandwidth that can be achieved on an IP network.\n There was a security vulnerability in iperf 3.19.1 versions before iperf 3.19.1. This vulnerability originated from the failure of Base64 decoding assertion in iperf_auth.c, which may cause the application to exit.(CVE-2025-54350)","status":"published","published":"2025-08-08T11:09:03Z","modified":"2026-08-18T01:18:57.275378701Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:43.127925Z"},{"id":"RHSA-2026:1592","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-01-30T10:11:18Z","modified":"2026-07-12T10:08:57Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1595","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-01-30T10:11:19Z","modified":"2026-07-12T10:08:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1597","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-01-30T10:11:20Z","modified":"2026-07-12T10:08:59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1760","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-03T10:13:57Z","modified":"2026-07-12T10:09:21Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1773","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-03T10:13:58Z","modified":"2026-07-12T10:09:22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1881","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-04T10:19:06Z","modified":"2026-07-12T10:09:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1882","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-04T10:19:07Z","modified":"2026-07-12T10:09:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:1967","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-05T10:09:57Z","modified":"2026-07-12T10:09:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:2328","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-10T10:07:57Z","modified":"2026-07-12T10:10:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:2329","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-10T10:07:57Z","modified":"2026-07-12T10:10:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:2448","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-11T10:10:42Z","modified":"2026-07-12T10:10:52Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:19.449341Z"},{"id":"RHSA-2026:2449","title":"Red Hat Security Advisory: iperf3 security update","status":"published","published":"2026-02-11T10:10:43Z","modified":"2026-07-12T10:10:52Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:19.449341Z"},{"id":"RLSA-2026:1592","title":"Moderate: iperf3 security update","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.","status":"published","published":"2026-02-03T17:19:45.352916Z","modified":"2026-02-03T17:45:08.946786Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:1595","title":"Moderate: iperf3 security update","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.","status":"published","published":"2026-02-05T09:10:29.578199Z","modified":"2026-02-05T09:30:13.803903Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:1597","title":"Moderate: iperf3 security update","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.","status":"published","published":"2026-02-03T17:23:52.716255Z","modified":"2026-02-03T17:45:09.47578Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"UBUNTU-CVE-2025-54349","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.","status":"published","published":"2025-08-03T02:15:00Z","modified":"2026-04-22T16:06:07.996141Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L","level":"medium"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"ALSA-2026:1592","title":"Moderate: iperf3 security update","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\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","status":"published","published":"2026-01-29T00:00:00Z","modified":"2026-10-29T11:02:28.540076214Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"ALSA-2026:1595","title":"Moderate: iperf3 security update","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\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","status":"published","published":"2026-01-29T00:00:00Z","modified":"2026-10-29T11:32:06.620340432Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"ALSA-2026:1597","title":"Moderate: iperf3 security update","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\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","status":"published","published":"2026-01-29T00:00:00Z","modified":"2026-10-29T11:58:17.993452Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"AZL-66060","title":"CVE-2025-54349 affecting package iperf3 for versions less than 3.17.1-3","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.","status":"published","published":"2025-08-03T02:15:35Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:23.841127Z"},{"id":"AZL-66065","title":"CVE-2025-54349 affecting package iperf3 for versions less than 3.18-2","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.","status":"published","published":"2025-08-03T02:15:35Z","modified":"2026-04-21T04:37:46.260997Z","updated_at":"2026-11-02T15:28:08.354547Z"},{"id":"CLSA-2025-1764028726","title":"iperf3: Fix of 2 CVEs","description":"- CVE-2025-54349: fix off-by-one error and heap-based buffer overflow in\n  iperf_auth.c\n- CVE-2025-54350: prevent crash due to assertion failures on malformed\n  authentication attempt in iperf_auth.c","status":"published","published":"2025-11-24T23:58:51Z","modified":"2026-06-01T00:31:21.351261227Z","updated_at":"2026-11-02T15:43:42.427288Z"},{"id":"CLSA-2025-1764679337","title":"iperf3: Fix of 2 CVEs","description":"- CVE-2025-54349: fix off-by-one error and heap-based buffer overflow in\n  iperf_auth.c\n- CVE-2025-54350: prevent crash due to assertion failures on malformed\n  authentication attempt in iperf_auth.c","status":"published","published":"2025-12-02T12:42:26Z","modified":"2026-06-01T00:32:35.854061814Z","updated_at":"2026-11-02T15:43:42.847264Z"},{"id":"DLA-4281-1","title":"iperf3 - security update","status":"published","published":"2025-08-24T00:00:00Z","modified":"2026-03-09T02:09:50.248744Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"MGASA-2026-0021","title":"Updated iperf packages fix security vulnerabilities","description":"In iperf before 3.19.1, iperf_auth.c has an off-by-one error and\nresultant heap-based buffer overflow. (CVE-2025-54349)\nIn iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion\nfailure and application exit upon a malformed authentication attempt.\n(CVE-2025-54350)\n","status":"published","published":"2026-01-27T18:20:27Z","modified":"2026-04-16T04:41:36.256874529Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2025:15414-1","title":"iperf-3.19.1-1.1 on GA media","description":"These are all security issues fixed in the iperf-3.19.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-08-06T00:00:00Z","modified":"2026-03-23T04:53:44.853108Z","updated_at":"2026-11-02T16:58:37.810934Z"},{"id":"SUSE-SU-2025:02749-1","title":"Security update for iperf","description":"This update for iperf fixes the following issues:\n\n- update to 3.19.1:\n  * CVE-2025-54351: Fixed buffer overflow in net.c (bsc#1247522)\n  * CVE-2025-54350: Fixed Base64Decode assertion failure and application \n    exit upon a malformed authentication attempt (bsc#1247520)\n  * CVE-2025-54349: Fixed off-by-one error and resultant heap-based \n    buffer overflow (bsc#1247519)\n\n- update to 3.19:\n  * iperf3 now supports the use of Multi-Path TCP (MPTCPv1) on Linux\n    with the use of the `-m` or `--mptcp` flag. (PR #1661)\n  * iperf3 now supports a `--cntl-ka` option to enable TCP keepalives\n    on the control connection. (#812, #835, PR #1423)\n  * iperf3 now supports the `MSG_TRUNC` receive option, specified by\n    the `--skip-rx-copy`. This theoretically improves the rated\n    throughput of tests at high bitrates by not delivering network\n    payload data to userspace. (#1678, PR #1717)\n  * A bug that caused the bitrate setting to be ignored when bursts\n    are set, has been fixed. (#1773, #1820, PR #1821, PR #1848)\n  * The congestion control protocol setting, if used, is now\n    properly reset between tests. (PR #1812)\n  * iperf3 now exits with a non-error 0 exit code if exiting via a\n    `SIGTERM`, `SIGHUP`, or `SIGINT`. (#1009, PR# 1829)\n  * The current behavior of iperf3 with respect to the `-n` and `-k`\n    options is now documented as correct. (#1768, #1775, #596, PR #1800)\n","status":"published","published":"2025-08-11T07:06:39Z","modified":"2026-02-04T02:47:13.430435Z","updated_at":"2026-11-02T15:53:57.111474Z"},{"id":"USN-7970-1","title":"iperf3 vulnerabilities","description":"Jorge Sancho Larraz discovered that iperf3 did not properly manage certain\ninputs, which could cause the server process to stop responding, waiting\nfor input on the control connection. A remote attacker could possibly use\nthis issue to cause a denial of service. This issue was only addressed in\nUbuntu 22.04 LTS. (CVE-2023-7250)\n\nIt was discovered that iperf3 had a timing side-channel when performing RSA\ndecryption. An attacker could possibly use this issue to recover sensitive\ninformation. This issue was only addressed in Ubuntu 20.04 LTS and Ubuntu\n22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-26306)\n\nIt was discovered that iperf3 incorrectly handled certain inputs. An\nattacker could possibly use this issue to cause a denial of service. This\nissue was only addressed in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu\n24.04 LTS. (CVE-2024-53580)\n\nHan Lee discovered that iperf3 had an off-by-one heap overflow. An attacker\ncould possibly use this issue to crash the program or execute arbitrary\ncode. This issue was only addressed in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,\nUbuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-54349)\n\nHan Lee discovered that iperf3 did not properly manage certain inputs. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2025-54350)","status":"published","published":"2026-01-21T05:29:16Z","modified":"2026-04-27T18:47:21.048580256Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}