CVE-2026-91186

A vulnerability exists in the PNG decoder because the chunk reader fails to enforce chunk ordering, allowing a second IHDR chunk to be processed. If an attacker provides a PNG file with a second IHDR chunk positioned after the IDAT chunk, the decoder rewrites the image dimensions (width, height, ...

CVE-2026-91186 PNG decoder: a duplicate IHDR chunk after IDAT resizes the image after allocation, causing a heap out-of-bounds write

The PNG chunk reader has no notion of chunk ordering. It records whether an IDAT has been seen and whether a tRNS has already supplied transparency, but nothing prevents an IHDR being read a second time. A PNG carries exactly one IHDR and it is the first chunk. A file that places a second one aft...

EUVD-2026-105034

The PNG chunk reader has no notion of chunk ordering. It records whether an IDAT has been seen and whether a tRNS has already supplied transparency, but nothing prevents an IHDR being read a second time. A PNG carries exactly one IHDR and it is the first chunk. A file that places a second one aft...

postgresql-cve-2026-14662

Chasing CVE-2026-14662 — An Out-of-Bounds Write Vulnerability in PostgreSQL Full-Text Search This is a record of running the pre-fix 18.4 and post-fix 18.6 versions of PostgreSQL simultaneously in Docker and actually observing the difference in behavior regarding CVE-2026-14662, which was found i...

Compress/s2: Integer Overflow or Wraparound and Out-of-bounds Write in compress

Signed Integer Overflow in s2.NewDict Summary A signed integer overflow vulnerability in s2.NewDict allows an attacker to bypass repeat index validation by supplying a dictionary with a uvarint-encoded repeat value exceeding MaxInt64. When Dict.Encode is subsequently called, the overflowed negati...

CVE-2026-43284

🚨 CVE-2026-43284 — Dirty Frag 🚨 Universal Linux Kernel Local Privilege Escalation Overview Field| Detail ---|--- CVE| CVE-2026-43284 xfrm/ESP + CVE-2026-43500 RxRPC Nickname| Dirty Frag CVSS| 7.8 HIGH Type| Local Privilege Escalation LPE Introduced| Linux kernel 4.10 2017, commit cac2661c53f3...

CVE-2026-25732-NiceGUI-3.6.1

Author: Mohammed Idrees Banyamer Contact: Instagram: @banyamersecurity GitHub: https://github.com/mbanyamer CVE-2026-25732 — NiceGUI Path Traversal in FileUpload → Arbitrary File Write Exploit Title: NiceGUI Path Traversal in FileUpload Leading to Arbitrary File Write Date: 2025-06-06 Tested on:...

CVE-2026-91041

Mounting an attacker-controlled FAT image with fault tolerance enabled causes an out-of-bounds heap write during log replay. The write is attacker-positioned and attacker-valued, and on a common embedded memory layout it reaches the FXMEDIA driver callback, giving control of the instruction point...

CVE-2026-43637-cornac

CVE-2026-43637: Path Traversal Tar Slip in Cornac via extractarchive Severity: High, CVSS 4.0 8.8 , Critical, CVSS 3.1 9.1assigned by VulnCheck, the CNA Vector v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N Vector v4.0: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Affected:...

CVE-2024-5274

CVE-2024-5274 authors: @mistymntncop, @buptsb Shoutout to @buptsb for his major contribution of discovering both the DCHECK bytecode mismatch POC and then discovering how to elevate that primitive to more powerful OOB read/write primitives. Without him this exploit would not be possible :- based ...

EUVD-2026-105012

Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failure of the second request and possibly leakage of data from...

Copy-Fail-CVE-2026-31431

Copy-Fail-CVE-2026-31431 A proof-of-concept exploit reproduction of the Linux kernel vulnerability CVE-2026-31431 , also known as Copy Fail. Credits to: Copy Fail Affected Systems Linux kernel versions 4.14 and newer Most major distributions released from 2017 until patch deployment Ubuntu, Debia...

WP-CVE-2016-10033

WordPress The 8000 before the colon represents the host machine's port; it can be set arbitrarily. Visit http://127.0.0.1:8000 and see the WordPress main interface to indicate a successful start POC Assuming the target address is: http://127.0.0.1:8000/ 1. Copy the following HTTP request into...

CVE-2018-18500

CVE-2018-18500 PoC for CVE-2018-18500 - Firefox Use-After-Free Write-up: https://news.sophos.com/en-us/2019/04/18/protected-cve-2018-18500-heap-write-after-free-in-firefox-analysis-and-exploitation/...

helm-plugin-path-traversal-security-assessment

CVE-2026-35204 - Helm Plugin Path Traversal Arbitrary File Write Consultant-Style Cybersecurity Report Professional vulnerability assessment report for Helm plugin path traversal risk, including technical analysis, impact, remediation, and mitigation strategy. 📍 Report Snapshot Field| Details...

SysmonEoP

SysmonEoP Proof of Concept for arbitrary file delete/write in Sysmon CVE-2022-41120/CVE-2022-44704 Vulnerability Vulnerability is in code responsible for ClipboardChange event that can be reached through RPC. Local users can send data to RPC server which will then be written in C:\Sysmon director...

CVE-2026-56111

CVE-2026-56111 - Marlin M421 Out-of-bounds Write Proof of concept for CVE-2026-56111 , an out-of-bounds write in the M421 G-code handler of Marlin Firmware when built with MESHBEDLEVELING. Advisory: https://www.vulncheck.com/advisories/marlin-firmware-out-of-bounds-write-via-m421-g-code-handler...

cve-2018-4233

CVE-2018-4233 Exploit for CVE-2018-4233, a bug in the JIT compiler of WebKit. Tested on Safari 11.0.3 on macOS 10.13.3. For more details see https://saelo.github.io/presentations/blackhatus18attackingclientsidejitcompilers.pdf The exploit gains arbitrary memory read/write by constructing the addr...

CVE-2026-54337-PoC

CVE-2026-54337 PoC CVE-2026-54337 - Unauthenticated File Write/Overwrite in fireshare test.mp4 Step 2 : Run the following curl command make sure to change the placeholder $ curl -s -w "HTTP %httpcode\n" \ -F "file=@;filename= -selectstreams v.mp4" \ -F "folder=testfolder -o " ...

empty_list

emptylist - exploit for p0 issue 1564 CVE-2018-4243 iOS 11.0 - 11.3.1 kernel r/w @i41nbeer BUG: getvolattrlist takes a user controlled bufferSize argument via the fgetattrlist syscall. When allocating a kernel buffer to serialize the attr list to there's the following comment: / Allocate a target...