EUVD-2026-78640

FreeRDP versions before 3.31.0 contain a heap-based buffer overflow in negosendnegotiationrequest when processing Server Redirection PDU messages with attacker-controlled LoadBalanceInfo fields. A malicious RDP server can trigger the overflow by sending an arbitrary-length field that gets written...

CVE-2026-91953

FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the LBLOADBALANCEINFO field length before writing to a fixed 512-byte buffer. A malicious RDP server or man-in-the-middle can send a Server Redirection PDU with an...

EUVD-2026-78810

FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the LBLOADBALANCEINFO field length before writing to a fixed 512-byte buffer. A malicious RDP server or man-in-the-middle can send a Server Redirection PDU with an...

CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

CVE-2021-3156

Exploit Chain Deep-Dive: CVE-2021-3156 Baron Samedit Autor: IJ Baig Fecha: 7 de julio de 2026 1. CVE ID, Versiones afectadas y confirmación de compilación CVE ID: CVE-2021-3156 Tipo de vulnerabilidad: Desbordamiento de búfer basado en montón Rango de versiones afectadas: Versiones heredadas de...

K000162604: NGINX ngx_http_v3_module vulnerability CVE-2026-90439

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions 3.5.0 and earlier under certain configurations, a limited heap buffer overflow could happen while processing a Transport Layer Security TLS...

CVE-2026-9256-POC

CVE-2026-9256-POC CVE-2026-9256 Nginx heap buffer overflow POC...

CVE-2026-42945

CVE-2026-42945 — NGINX Rift Heap Buffer Overflow in NGINXngxhttprewritemodule...

CVE-2026-38427

CVE-2026-38427: Integer Wraparound → Heap Buffer Overflow in Tasmota fetchjpg CVE: CVE-2026-38427 Severity: Critical CVSS 9.8 Product: Arendst Tasmota Affected Version: = 15.3.0.3 File: tasmota/tasmotaxdrvdriver/xdrv10scripter.ino Function: fetchjpg — case 2 MJPEG frame fetch Author: Saidakbarxon...

cve-2022-42475-poc

CVE-2022-42475 PoC Fortinet SSL VPN Pre-Authentication Remote Code Execution Descripción CVE-2022-42475 es una vulnerabilidad de heap-based buffer overflow en el servicio SSL VPN de FortiOS que permite a atacantes no autenticados ejecutar código arbitrario de forma remota RCE mediante solicitudes...

CVE-2026-42945-Reverse-Shell-POC

CVE-2026-42945 NGINX Rift RCE PoC with Reverse Shell Remote code execution proof-of-concept for CVE-2026-42945 , a heap buffer overflow in NGINX's ngxhttprewritemodule. This fork extends the public trigger PoC with an embedded reverse-shell listener and configurable exploitation parameters for CT...

CVE-2026-9256-Poc

nginx ngxhttprewritemodule Heap Buffer Overflow Description nginx Plus and nginx Open Source ngxhttprewritemodule contains a heap buffer overflow vulnerability. When a rewrite directive uses a regex with multiple overlapping PCRE capture groups e.g. ^/.$ and a replacement referencing multiple...

postgresql: PostgreSQL pg_dump: Arbitrary code execution via crafted transform lists

A flaw was found in PostgreSQL pgdump. A heap buffer overflow vulnerability exists when processing long function transform lists. An authenticated object creator can exploit this by providing a specially crafted transform list. This allows the attacker to execute arbitrary code as the operating...

postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the regexp component, which can be triggered by a query author providing text that does not pass encoding validation. This can lead to unanticipated data growth, allowing the attacker to execute arbitrary code as the...

postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation

A heap buffer overflow flaw was found in the PostgreSQL tochartimestamptz function. An attacker can exploit this by supplying an overly long POSIX timezone abbreviation to execute arbitrary code as the database's operating system user, potentially resulting in complete system compromise...

Important: Red Hat Security Advisory: postgresql:16 security update

An update for the postgresql:16 module 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...

postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the plperl component when returning a tied hash. This allows a function owner to execute arbitrary code as the operating system user running the database by providing a specially crafted function body. This could lead ...

CVE-2025-21333

CVE-2025-21333 Desbordamiento de montón Paged Pool en Hyper-V NT Kernel Integration VSP vkrnlintvsp.sys → escalada de privilegios local LPE. Este directorio contiene el código fuente del PoC de laboratorio basado en MrAle98/CVE-2025-21333-POC, con parches locales. 1. Resumen de la vulnerabilidad...

CVE-2026-91086

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmxprocess of the file filters/reframempgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The...