Description
iperf v3.17.1 was discovered to contain a segmentation violation via the iperf_exchange_parameters() function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | iperf3 | 3.18-1 | — |
| Debian 13 | iperf3 | 3.18-1 | — |
| Debian 12 | iperf3 | No fix yet | — |
| Debian 11 | iperf3 | 3.9-1+deb11u2 | DLA-4032-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | iperf | No fix yet | — |
| Ubuntu 26.04 LTS | iperf | No fix yet | — |
| Ubuntu 25.10 | iperf | No fix yet | — |
| Ubuntu 25.10 | iperf3 | 3.18-2ubuntu0.1 | USN-7970-1 |
| Ubuntu 24.04 LTS | iperf | No fix yet | — |
| Ubuntu 22.04 LTS | iperf | No fix yet | — |
| Ubuntu 22.04 LTS | iperf3 | 3.9-1+deb11u1ubuntu0.1 | USN-7970-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | iperf | No fix yet | — |
| Ubuntu 18.04 LTS | iperf | No fix yet | — |
| Ubuntu 16.04 LTS | iperf | No fix yet | — |
| Ubuntu 14.04 LTS | iperf | No fix yet | — |
| Ubuntu Pro 24.04 LTS | iperf3 | 3.16-1ubuntu0.1~esm1 | USN-7970-1 |
| Ubuntu Pro 20.04 LTS | iperf3 | 3.7-3ubuntu0.1~esm2 | USN-7970-1 |
| Ubuntu Pro 18.04 LTS | iperf3 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | iperf3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | iperf3 | 3.9-13.el9_5.1 | RHSA-2025:0161 |
| RHEL 8 | iperf3 | 3.5-11.el8_10 | RHSA-2025:0168 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | iperf3 | 3.9-11.el9_4.1 | RHSA-2025:0505 |
| RHEL 9.2 EUS | iperf3 | 3.9-10.el9_2.1 | RHSA-2025:0440 |
| RHEL 9.0 E4S | iperf3 | 3.9-10.el9_0.1 | RHSA-2025:0570 |
| RHEL 8.8 EUS | iperf3 | 3.5-7.el8_8.1 | RHSA-2025:0404 |
| RHEL 8.6 TUS | iperf3 | 3.5-7.el8_6.1 | RHSA-2025:0346 |
| RHEL 8.6 E4S | iperf3 | 3.5-7.el8_6.1 | RHSA-2025:0346 |
| RHEL 8.6 AUS | iperf3 | 3.5-7.el8_6.1 | RHSA-2025:0346 |
| RHEL 8.4 TUS | iperf3 | 3.5-7.el8_4.1 | RHSA-2025:0548 |
| RHEL 8.4 E4S | iperf3 | 3.5-7.el8_4.1 | RHSA-2025:0548 |
| RHEL 8.4 AUS | iperf3 | 3.5-7.el8_4.1 | RHSA-2025:0548 |
| RHEL 8.2 AUS | iperf3 | 3.5-4.el8_2.1 | RHSA-2025:0403 |
| RHEL 7 ELS | iperf3 +1 | 3.1.7-3.el7_9.1 | RHSA-2025:0402 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | iperf3 | 3.9-13.el9_5.1 | ALSA-2025:0161 |
| AlmaLinux 8 | iperf3 | 3.5-11.el8_10 | ALSA-2025:0168 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | iperf3 | 3.9-13.el9_5.1 | RLSA-2025:0161 |
| Rocky Linux 8 | iperf3 | 3.5-11.el8_10 | RLSA-2025:0168 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | iperf | 3.18-150000.3.12.1 | SUSE-SU-2025:0291-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Enterprise Storage 7.1 | iperf | 3.18-150000.3.12.1 | SUSE-SU-2025:0291-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | iperf | 3.18-1.1 | openSUSE-SU-2025:14700-1 |
| openSUSE Leap 15.6 | iperf | 3.18-150000.3.12.1 | SUSE-SU-2025:0291-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | iperf3 +1 | 3.18-1.amzn2023 | ALAS2023-2025-812 |
| Amazon Linux 2 | iperf3 +1 | 3.1.7-2.amzn2.0.5 | ALAS2-2025-2736 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | iperf3 | 3.17.1-2 | — |
| Azure Linux 2 (CBL-Mariner) | iperf3 | 3.18-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | iperf3 | 3.9-13.el9_5.1 | ELSA-2025-0161 |
| Oracle Linux 8 | iperf3 | 3.5-11.el8_10 | ELSA-2025-0168 |
| Oracle Linux 7 | iperf3 +1 | 3.1.7-3.0.1.el7_9 | ELSA-2025-0402 |
Advisories 25
- ALSA-2025:0161 Important: iperf3 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:0168 Important: iperf3 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:0402 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2025:0570 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0548 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0440 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0505 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0403 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0404 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0346 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0168 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- RHSA-2025:0161 Red Hat Security Advisory: iperf3 security update Red Hat Security Advisories (RHSA) · Jun 3, 2026
- USN-7970-1 iperf3 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-4032-1 iperf3 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2025-0038 Red Hat Enterprise Linux (iperf): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Feb 17, 2026
- RLSA-2025:0161 Important: iperf3 security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2025:0168 Important: iperf3 security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2025:14700-1 iperf-3.18-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0291-1 Security update for iperf SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1236 Dell PowerScale: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 3, 2025
- ELSA-2025-0402 Important: iperf3 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 27, 2025
- ALAS2023-2025-812 Important: iperf3 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jan 24, 2025
- ALAS2-2025-2736 Important: iperf3 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 24, 2025
- ELSA-2025-0168 Important: iperf3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 9, 2025
- ELSA-2025-0161 Important: iperf3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 9, 2025