A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
[
{
"product": "upx",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "upx 4.0.0-git-87b73e5cfdc1+"
}
]
}
]