EIP-2026-115469

PRE-CVE

IrfanView 4.33 - Format PlugIn ECW Decompression Heap Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115469. PoCs published by Francis Provencher.

AI-analyzed exploit summary The document describes a heap-based buffer overflow vulnerability in IrfanView 4.33's ECW Format PlugIn, caused by insufficient validation during ECW image decompression. It includes a timeline and technical details but lacks direct exploit code, instead linking to external ECW files.

Description

IrfanView 4.33 - Format PlugIn ECW Decompression Heap Overflow

Exploits (1)

exploitdb WRITEUP VERIFIED
by Francis Provencher · textdoswindows
https://www.exploit-db.com/exploits/18964

The document describes a heap-based buffer overflow vulnerability in IrfanView 4.33's ECW Format PlugIn, caused by insufficient validation during ECW image decompression. It includes a timeline and technical details but lacks direct exploit code, instead linking to external ECW files.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: IrfanView 4.33
No auth needed
Prerequisites: Specially crafted ECW file
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026