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UPX 4.x 5.x produce Invalid decompressed PE images for certain kind of 32-bit .exe

os:Windows

Status: Open.

#951 In upx/upx;

· Neotmiren opened on Dec 12, 2025

heap-buffer-overflow in <code>PeFile::processLoadConf()</code>

os:Windows

Status: Open.

#950 In upx/upx;

· OwenSanzas opened on Dec 10, 2025

Heap Buffer Overflow in PackLinuxElf64::generateElfHdr

os:Linux

Status: Open.

#947 In upx/upx;

· OwenSanzas opened on Dec 10, 2025

android v7a upx -9 InternalError: bad slide

os:Android

Status: Open.

#944 In upx/upx;

· sck007 opened on Dec 9, 2025

·  

v5.1.0

xstrip errs for Elf64_Rela Relocation by Local symbol

Status: Open.

#941 In upx/upx;

· jreiser opened on Nov 12, 2025

stubtools support for riscv64

Status: Open.

#939 In upx/upx;

· jreiser opened on Nov 1, 2025

error on go plugins

os:Windows

Status: Open.

#934 In upx/upx;

· parsibox opened on Oct 5, 2025

After upx on linux arm64 , Segmentation fault

os:Linux

Status: Open.

#911 In upx/upx;

· hellojukay opened on Apr 25, 2025

UPX removes CETCOMPAT flag from Windows EXE

os:Windows

Status: Open.

#909 In upx/upx;

· malikm opened on Apr 16, 2025

UPX 4.2.4 compress little more than UPX 5.0.0 using --lzma, Windows version

os:Windows

stale

Status: Open.

#885 In upx/upx;

· EMG60 opened on Feb 25, 2025

How to preserve a specific named section

enhancementAn enhancement.An enhancement.

Status: Open.

#870 In upx/upx;

· jamosdev opened on Jan 29, 2025

Increase UPX_RSIZE_MAX for commands -l (list), -t (test), -d (de-compress)

enhancementAn enhancement.An enhancement.

Status: Open.

#867 In upx/upx;

· jreiser opened on Jan 7, 2025