ALSA-2026:61389 Important: 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: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via...

JSON Deserialiser Resource Consumption

This is a proof of concept exploit the researcher has been using for 15 years to demonstrate insecure deserialization with JSON. From: Daniel Owens via Fulldisclosure Date: Sat, 29 Aug 2026 00:11:02 +0000 On 26 October 2025 we published "Struts2 and Related Framework Array/Collection DoS", which...

PT-2026-83953

The LwM2M JSON content formatter's get string in subsys/net/lib/lwm2m/lwm2m rw json.c copies a parsed JSON string into a caller-supplied buffer and NUL-terminates it. The length guard used if string length buflen, which accepts a string whose length is exactly buflen. After memcpy fills the whole...

CVE-2026-14368: Out-of-bounds Write

The LwM2M JSON content formatter's getstring in subsys/net/lib/lwm2m/lwm2mrwjson.c copies a parsed JSON string into a caller-supplied buffer and NUL-terminates it. The length guard used if stringlength buflen, which accepts a string whose length is exactly buflen. After memcpy fills the whole...

CVE-2026-82803: NULL Pointer Dereference

A vulnerability has been found in armink struct2json 1.0. This affects the function S2JSTRUCTGETstringELEMENT in the library struct2json/inc/s2jdef.h of the component JSON Deserialization. The manipulation of the argument valuestring leads to null pointer dereference. The attack may be initiated...

CVE-2026-82664: Improper Neutralization of Input During Web Page Generation

A security vulnerability has been detected in yaojingang GEOFlow up to 2.1.0. This affects an unknown part of the file app/Http/Controllers/Site/HomeController.php of the component JSON-LD Theme Handler. The manipulation of the argument Search leads to cross site scripting. The attack is possible...

ALSA-2026:61257 Important: 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: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via...

PT-2026-83720

A security vulnerability has been detected in yaojingang GEOFlow up to 2.1.0. This affects an unknown part of the file app/Http/Controllers/Site/HomeController.php of the component JSON-LD Theme Handler. The manipulation of the argument Search leads to cross site scripting. The attack is possible...

PT-2026-83882

Name of the Vulnerable Software and Affected Versions armink struct2json version 1.0 Description An issue exists in the JSON Deserialization component within the library struct2json/inc/s2jdef.h. A remote attacker can cause a null pointer dereference—a condition where the software attempts to rea...

Important: iperf3

Issue Overview: A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as parallel and len, which are not properly validated by the server. This improper input validation can lead to excessive...

Important: iperf3

Issue Overview: A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as parallel and len, which are not properly validated by the server. This improper input validation can lead to excessive...

Medium: log4j

Issue Overview: Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through 2.25.4 and version 2.26.0. The fix for CVE-2026-34481 did not cover al...

RHEL 8 : iperf3 (RHSA-2026:61257)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:61257 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter,...

RHEL 10 : iperf3 (RHSA-2026:61680)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:61680 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter,...

AlmaLinux 8 : iperf3 (ALSA-2026:61257)

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:61257 advisory. iperf3: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via resource exhaustion CVE-2026-71217 Tenable has...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.6.0.6)

The version of AOS installed on the remote host is prior to 7.6.0.6. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.6.0.6 advisory. - In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and...

Important: 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: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via...

Important: 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: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via...

RHEL 9 : iperf3 (RHSA-2026:61389)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:61389 advisory. Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter,...

Amazon Linux 2023 : iperf3, iperf3-devel (ALAS2023-2026-2070)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2070 advisory. A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control- channel JSON with oversized numeric parameters, such as parallel and len, which are not properly...