A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
Created upx tracking bugs for this issue:
Affects: epel-all [bug 1961593]
Affects: fedora-all [bug 1961592]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.