CVE-2026-98591

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. An integer underflow in the bounds-checking logic for network packet buffer pointers allows validation checks to pass incorrectly. A local user capable of running BPF programs could exploit this flaw to create pointers...

CVE-2026-98573

A flaw was found in the Linux kernel. An integer underflow in the networking subsystem allows an attacker to trigger an out-of-bounds memory copy by sending specially crafted Internet Protocol version 6 IPv6 packets with extension headers. This vulnerability can lead to kernel memory corruption,...

CVE-2026-86871

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker with control of a network file server may be able to cause unexpected system termination...

CVE-2026-86871

An integer underflow vulnerability exists in certain macOS versions, which can be triggered by an attacker with control of a network file server . This flaw may result in unexpected system termination . The issue has been addressed through improved input validation and is fixed in macOS Golden Ga...

EUVD-2026-104710

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker with control of a network file server may be able to cause unexpected system termination...

kernel: smb: client: reject a tree connect response whose byte count is too small

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote malicious SMB server could send a specially crafted tree connect response with a byte count that is too small. This incorrect handling can lead to an integer underflow, causing the client to read beyond an allocated...

CVE-2019-14287-write-up

CVE-2019-14287-write-up 4294967295 Sudo Bug Allows Restricted Users to Run Commands as Root DEMONSTRATION OF VULNERABILITY Add a new user: sudo su - root useradd -m -s /bin/bash testuser passwd testuser // add password to user visudo Add a new entry test ALL=ALL, !root /usr/bin/id // specifying...

Urgent11-Suricata-LUA-scripts

Urgent11-Suricata-LUA-scripts Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and CVE-2019-12260 CVE-2019-12255 The script checks for CVE-2019-12255, the packet that is checked needs to have the PSH, ACK, and URG flags set, and have a payload size that exceeds 1500...

DEBIAN-CVE-2026-112010

smpeg through 2.0.0 contains an integer underflow vulnerability in streamheader in MPEGsystem.cpp that allows attackers to wrap packetsize by declaring an undersized packet length. Attackers can supply a crafted MPEG file opened via SMPEGnew, SMPEGnewrwops or SMPEGnewdata to trigger a reachable...

CVE-2020-1349

CVE-2020-1349 This vulnerability occurs in Outlook 2019 16.0.12624.20424 installed on Korean Windows 10 1909 x64, codepage 949. TLDR; I have not been able to bypass aslr using this vulnerability, but I have written an outlook 2019 32bit exploit that pops up a calculator using the address of a...

CVE-2026-42980-POC

CVE-2026-42980 Public Disclosure This repository contains the public disclosure material for CVE-2026-42980 , a Windows kernel WMI integer-underflow vulnerability that can be exploited for local privilege escalation to NT AUTHORITY\SYSTEM on vulnerable lab builds. Full write-up English article...

Windows-CVE-2024-38063

Windows-TCP/IP-IPv6CVE-2024-38063 Vulnerability CVE-2024-38063 is a remote code execution vulnerability in the TCP/IP component of the Windows operating system. According to Microsoft's official description, the vulnerability has a maximum severity rating of Critical, with a CVSS score of 9.8, an...

CVE-2026-111881

A flaw was found in FreeRDP. An integer underflow vulnerability exists in its bitmap image processing component due to an incorrect calculation when handling sub-byte images. A remote attacker acting as a malicious peer in a Remote Desktop Protocol RDP session can exploit this by supplying a...

CVE-2022-0185-Case-Study

CVE-2022-0185-Case-Study This case study is a result of an assignment of ECE 9069: Introduction to Hacking : https://whisperlab.org/introduction-to-hacking/ CVE-2022-0185 Overview CVE-2022-0185 is a heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesyst...

UBUNTU-CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

SUSE CVE-2026-98446

In the Linux kernel, the following vulnerability has been resolved: xfs: don't let hiddenspace go negative in xfsmetafileresvinit LOLLM points out that if the amount of fdblocks that we can reserve for a metadata btree file goes below the space already used by that file, then the hiddenspace...

DEBIAN-CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

DEBIAN-CVE-2026-98446

In the Linux kernel, the following vulnerability has been resolved: xfs: don't let hiddenspace go negative in xfsmetafileresvinit LOLLM points out that if the amount of fdblocks that we can reserve for a metadata btree file goes below the space already used by that file, then the hiddenspace...

CVE-2022-0185-POC

CVE-2022-0185 — Proof of Concept A proof-of-concept exploit for CVE-2022-0185 , a heap-based buffer overflow in the Linux kernel's legacyparseparam function fs/fscontext.c. This allows a local unprivileged user to escalate privileges to root. Original exploit by Crusaders of Rust. Full writeup:...