how2heap

Educational Heap Exploitation This repo is for learning various heap exploitation techniques. We use Ubuntu's Libc releases as the gold-standard. Each technique is verified to work on corresponding Ubuntu releases. You can run apt source libc6 to download the source code of the Libc you are using...

SSH-Remote-Code-Execution

SSH Remote Code Execution SSH Zero-Day | Made by ClumsyLulz & Taylor Christian Newsome Summary This repository contains a C program that accepts input parameters and generates a packet to be sent to a server over the SSH protocol. The program allocates a buffer to hold the data, writes it to a...

one-multiply-too-many-cve-2026-70638-llama-cpp-android-jni-integer-overflow

CVE-2026-70638 - llama.cpp LLaMA-Android JNI Integer Overflow Companion PoC for the Hunt-Benito article "One Multiply Too Many: CVE-2026-70638 — Integer Overflow in llama.cpp's Android JNI Heap Allocation" →...

Weggli_rules_SSTIC2023

Aquí hay una lista curada de consultas de weggli Puedes leerlas y usarlas una por una, o lanzarlas por lotes: Uso: root@kitploit: $ bash dangerousfunctions.qry code.c $ bash mallocoverflow.qry -e cc sourcedir/ Hay tres categorías: 1. funciones peligrosas: como strcpy, system, etc.. 2. stack:...

Astra Linux – Vulnerability in ffmpeg5

FFmpeg v.n6.1-3-g466799d4f5 allows for memory consumption when using the colorcorrect filter, specifically in the avmalloc function located at line 105:9 of the libavutil/mem.c file...

Astra Linux – Vulnerability in curl

There is a vulnerability in curl v7.88.0 where resource allocation without limits or throttling exists. This vulnerability stems from the “chained” HTTP compression algorithms. This means that a server’s response can be compressed multiple times, possibly using different algorithms. The number of...

Astra Linux – Vulnerability in htmldoc

There is a vulnerability in htmldoc 1.9.16. In the imageloadjpeg function, when image.cxx calls malloc, ‘img-width’ and ‘img-height’ are too large to prevent an integer overflow. As a result, the malloc function may return a heap block smaller than expected, causing a buffer overflow/Address...

Astra Linux – Vulnerability in klibc

A issue was discovered in klibc before version 2.0.9. Additions in the malloc function may lead to an integer overflow, followed by a heap buffer overflow...

Astra Linux – Vulnerability in Redis

A heap overflow issue was discovered in Redis versions prior to 5.0.10, before 6.0.9, and before 6.2.0, when using a heap allocator other than jemalloc or glibc’s malloc function. This issue could lead to out-of-bound writing or the crash of the process. Essentially, this flaw does not affect the...

Astra Linux – Vulnerability in hiredis

In libhiredis.a under hiredis through version 0.14.0, async.c and dict.c allow a NULL pointer dereferencing because the return values of malloc are unchecked...

CVE-2026-18370 Heap-based buffer overflow in entr

entr is vulnerable to Heap-based buffer overflow in runutility function. The function allocates a fixed-size heap buffer using mallocARGMAX and copies command-line arguments into it. It advances the destination pointer based on the return value of strlcpy, which returns the total length of the...

CVE-2026-18370

entr is vulnerable to Heap-based buffer overflow in runutility function. The function allocates a fixed-size heap buffer using mallocARGMAX and copies command-line arguments into it. It advances the destination pointer based on the return value of strlcpy, which returns the total length of the...

UBUNTU-CVE-2026-43627

llama.cpp builds b1283 through b9058 contain an integer overflow vulnerability in the llamabatchinit function where unchecked multiplications in malloc calls can wrap past INT32MAX when computing allocation sizes. Attackers can pass specially crafted parameters to trigger integer overflow, causin...

EUVD-2026-54096

llama.cpp builds b1886 through b7445 contain a double free vulnerability in the LLaMA-Android JNI wrapper where new1batch allocates memory using malloc while free1batch deallocates it using the C++ delete operator, causing heap metadata corruption. Attackers can trigger this memory management...

CVE-2026-43622 llama.cpp b1886–b7445 Double Free via llama-android.cpp

llama.cpp builds b1886 through b7445 contain a double free vulnerability in the LLaMA-Android JNI wrapper where new1batch allocates memory using malloc while free1batch deallocates it using the C++ delete operator, causing heap metadata corruption. Attackers can trigger this memory management...

PYSEC-2026-3151 Integer overflow in TFLite array creation

Impact An attacker can craft a TFLite model that would cause an integer overflow in TfLiteIntArrayCreate: cc TfLiteIntArray TfLiteIntArrayCreateint size int allocsize = TfLiteIntArrayGetSizeInBytessize; // ... TfLiteIntArray ret = TfLiteIntArraymallocallocsize; // ... The...

CVE-2026-7828

UltraVNC repeater up to version 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, win_log() allocates memory with malloc(sizeof(struct LIST) + strlen(line)); if strlen(line) is large, the size overflows to a value smaller than sizeof(struct ...

CVE-2026-7828 UltraVNC repeater integer overflow in win_log malloc leading to heap overflow

UltraVNC repeater through 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, the winlog function allocates list nodes via mallocsizeofstruct LIST + strlenline, where line is derived from HTTP request URIs. If strlenline is sufficiently large,...

CVE-2026-49840

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, eslrecvevent parses Content-Length with atol and passes the result straight to malloclen ...

UBUNTU-CVE-2026-47328

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmallocd, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata an...