Januscape

Januscape: Guest-to-Host Escape in KVM/x86 Abstract This document describes the Januscape CVE-2026-53359 vulnerability discovered and reported by Hyunwoo Kim @v4bel. It is a KVM escape vulnerability that lets a guest escape to the host in a KVM/x86 environment. To the best of public knowledge, th...

CVE-2026-46215-POC

CVE-2026-46215: DRM GEM changehandle Use-After-Free unprivileged LPE Local privilege escalation via a use-after-free in the DRM core ioctl DRMIOCTLGEMCHANGEHANDLE drmgemchangehandleioctl, ioctl nr 0xD2. Reachable by any user with access to a render node /dev/dri/renderD, granted to the active...

TimeAfterFree

TimeAfterFree PHP 8 sandbox escape PoC demonstrating a disablefunctions bypass on Unix-like systems. This exploit leverages a use-after-free bug to bypass disablefunctions and execute system commands. The exploitation techniques used for leaking heap pointers and obtaining read/write primitives...

vvdecapp reconstructCoeff Memory Use After Free

The vulnerability of the reconstructCoeff function in the vvdecapp VVdeC decoder is related to the use of memory after it is freed during the processing of specially created VVC streams. Exploiting this vulnerability can allow a hacker to cause a service failure or execute arbitrary code...

vvdecapp reconstructCoeff Memory Use After Free

The vulnerability of the reconstructCoeff function in the vvdecapp VVdeC decoder is related to the use of memory after it is freed during the processing of specially created VVC streams. Exploiting this vulnerability can allow a hacker to cause a service failure or execute arbitrary code...

vvdecapp reconstructCoeff Memory Use After Free

The vulnerability of the reconstructCoeff function in the vvdecapp VVdeC decoder is related to the use of memory after it is freed during the processing of specially created VVC streams. Exploiting this vulnerability can allow a hacker to cause a service failure or execute arbitrary code...

vvdecapp readAlf Heap Buffer Overflow DoS

The vulnerability of the readAlf function in the vvdecapp VVdeC decoder lies in the use of memory after it is freed during the processing of specially created VVC streams. Exploiting this vulnerability can allow an attacker to cause a service failure or execute arbitrary code...

vvdecapp Decoder Heap Buffer Overflow DoS

The vulnerability of the createSubPicRefBufs function in the vvdecapp VVdeC decoder lies in the use of memory after it is freed during the processing of specially created VVC streams. Exploiting this vulnerability can allow an attacker to cause a service failure or execute arbitrary code...

vvdecapp decoder reconstructCoeff Heap Buffer Overflow DoS

The vulnerability of the reconstructCoeff function in the vvdecapp VVdeC decoder is related to the use of memory after deallocation when processing specially created VVC streams. Exploiting this vulnerability can allow an attacker to cause a service failure or execute arbitrary code...

1C-Bitrix Before and After Photos Code Execution

Vulnerability of “Before and After Photos”: Comparison of images before/after by a content management system CMS like 1C-Bitrix. Website management involves unlimited uploading of dangerous files. Exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely...

Microsoft Office Memory Use After Free

The vulnerability of Microsoft Office packages and 365 Apps for Enterprise lies in the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

CVE-2026-113317

An use after free flaw was found in the Accessibility component of the Chromium browser. Upstream bugs: https://issues.chromium.org/issues/555337558...

CVE-2026-113212

An use after free flaw was found in the PDF component of the Chromium browser. Upstream bugs: https://issues.chromium.org/issues/572237007...

CVE-2026-46242

🚨 CVE-2026-46242 - BadEpoll A high-severity Use-After-Free vulnerability affecting the Linux Kerneleventpoll subsystem that may allow local privilege escalation, memory corruption, or denial of service. 📖 Overview CVE-2026-46242 is a Use-After-Free UAF vulnerability in the Linux Kernel's eventpol...

uafuzz

UAFuzz: Binary-level Directed Fuzzing for Use-After-Free Vulnerabilities Directed Greybox Fuzzing DGF like AFLGo aims to perform stress testing on pre-selected potentially vulnerable target locations, with applications to different security contexts: 1 bug reproduction, 2 patch testing or 3 stati...

clr

CLR C hecker of L ifetimes and other R efinement types for Zig Video: https://www.youtube.com/watch?v=mf0WzTOe-40 Sponsorship: https://buymeacoffee.com/dnautics discuss on hn: https://news.ycombinator.com/item?id=42923829 discuss on lobste.rs: https://lobste.rs/s/9sitsj/clrcheckerforlifetimesothe...

Microsoft Windows Cloud Files Mini Filter Driver CldiStreamCompleteRequest use-after-free vulnerability

Summary A use-after-free vulnerability exists in the CldiStreamCompleteRequest functionality of Windows Cloud Files Mini Filter Driver versions: 10.0.26100.8457 WinBuild.160101.0800. A specially crafted sequence of Cloud Filter API calls can lead to privilege escalation. An attacker can execute a...

CVE-2026-121961

FreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting the drdynvc channel. A malicious target server can repeatedly send CREATEREQUESTPDU for an active channel id, racing front DATA handling to free a borrowed context and crash the...

CVE-2026-121963

FreeRDP before 3.32.2 contains a use-after-free vulnerability in the asynchronous dynamic rdpsnd channel that allows malicious RDP servers to trigger freed callback access by closing the channel with queued audio PDUs. Attackers can send a training PDU then close the channel so the playback threa...

CVE-2026-121957

FreeRDP before 3.32.2 contains a use-after-free vulnerability that allows malicious RDP servers to corrupt client memory by racing the RDPGFX ResetGraphics handler against the planar bitmap decoder. Attackers can send ResetGraphics while concurrently sending compressed bitmaps of 32 bpp or more t...