CVE-2026-82803 armink struct2json JSON Deserialization s2jdef.h S2J_STRUCT_GET_string_ELEMENT 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-2026-78077

Joomla Extension - joomshaper.com - Stored Cross-Site Scripting XSS in MegaMenu Layout Container & Embed Inputs in Helix Ultimate 2.2.11 - Unsanitized column and item configuration values stored within the MegaMenu layout JSON were rendered without complete contextual escaping, allowing injection...

SUSE CVE-2026-66393

NLTK versions before 3.9.4 contain an unbounded recursion vulnerability in JSONTaggedDecoder.decodeobj that allows attackers to cause denial of service by supplying deeply nested JSON structures. Attackers can craft JSON payloads exceeding the recursion limit to trigger an unhandled RecursionErro...

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

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 stream and thread...

Important: Red Hat Security Advisory: iperf3 security update

An update for iperf3 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

RLSA-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...

iperf3 security update

An update is available for iperf3. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Iperf is a tool which can measure maximum TCP bandwidth and tune various...

CVE-2026-82664

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...

CVE-2026-82664

A cross-site scripting (XSS) vulnerability in yaojingang GEOFlow up to version 2.1.0 allows a remote attacker to execute arbitrary JavaScript in a victim's browser. The flaw resides in the JSON-LD Theme Handler within app/Http/Controllers/Site/HomeController.php, where improper handling of the Se...

CVE-2026-82664 yaojingang GEOFlow JSON-LD Theme HomeController.php cross site scripting

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...

EUVD-2026-68432

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...

CVE-2026-82664

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...

CVE-2026-82664 yaojingang GEOFlow JSON-LD Theme HomeController.php cross site scripting

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...

CVE-2026-82664 yaojingang GEOFlow JSON-LD Theme HomeController.php cross site scripting

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...

CVE-2026-66393

A flaw was found in NLTK. A remote attacker can exploit an unbounded recursion vulnerability in the JSONTaggedDecoder.decodeobj function by supplying deeply nested JSON structures. This can cause the Python process to crash, leading to a denial of service. Mitigation To mitigate this vulnerabilit...

Important: Red Hat Security Advisory: iperf3 security update

An update for iperf3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

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

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 stream and thread...

Amazon Linux 2 : iperf3, --advisory ALAS2-2026-3869 (ALAS-2026-3869)

The version of iperf3 installed on the remote host is prior to 3.1.7-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3869 advisory. A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control- channel JSON with oversized...

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...