JLSEC-2026-762

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

JLSEC-2026-761

iPerf3 before 3.17, when used with OpenSSL before 3.2.0 as a server with RSA authentication, allows a timing side channel in RSA decryption operations. This side channel could be sufficient for an attacker to recover credential plaintext. It requires the attacker to send a large number of message...

PT-2026-64769

In iperf before 3.19.1, iperf auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt...

PT-2026-64768

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

iperf:auth_fuzzer: Crash in Base64Decode

Detailed Report: https://oss-fuzz.com/testcase?key=5672913530585088 Project: iperf Fuzzing Engine: libFuzzer Fuzz Target: authfuzzer Job Type: libfuzzermsaniperf Platform Id: linux Crash Type: UNKNOWN WRITE Crash Address: 0x700fffffffff Crash State: Base64Decode authfuzzer.c Sanitizer: memory MSA...

Security Bulletin: Vulnerability in iperf affects IBM Netezza Appliance

Summary The iperf package is used by IBM Netezza Appliance. IBM Netezza Appliance has addressed the applicable CVE CVE-2025-54349. Vulnerability Details CVEID:CVE-2025-54349 DESCRIPTION: In iperf before 3.19.1, iperfauth.c has an off-by-one error and resultant heap-based buffer overflow...

Security Bulletin: Vulnerability in iperf affects IBM Netezza Appliance

Summary The iperf package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-54349 Vulnerability Details CVEID:CVE-2025-54349 DESCRIPTION: In iperf before 3.19.1, iperfauth.c has an off-by-one error and resultant heap-based buffer overflow...

RHEL 8 : iperf3 (RHSA-2026:2449)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:2449 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, a...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

RHEL 8 : iperf3 (RHSA-2026:2329)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:2329 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, a...

RHEL 8 : iperf3 (RHSA-2026:2328)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:2328 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, a...

RHSA-2026:1967 Red Hat Security Advisory: iperf3 security update

Bulletin has no description...

RLSA-2026:1595 Moderate: iperf3 security update

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 Fixes: iperf3: iperf Heap Buffer Overflow CVE-2025-54349 For more details about the security issues, including the impac...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

Moderate: Red Hat Security Advisory: iperf3 security update

An update for iperf3 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

RHEL 9 : iperf3 (RHSA-2026:1882)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:1882 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, a...

RLSA-2026:1597 Moderate: iperf3 security update

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 Fixes: iperf3: iperf Heap Buffer Overflow CVE-2025-54349 For more details about the security issues, including the impac...

RHEL 9 : iperf3 (RHSA-2026:1773)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:1773 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, a...

RockyLinux 8 : iperf3 (RLSA-2026:1592)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:1592 advisory. iperf3: iperf Heap Buffer Overflow CVE-2025-54349 Tenable has extracted the preceding description block directly from the RockyLinux security advisory. Note that...