A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
bugzilla.redhat.com/show_bug.cgi?id=2160381
github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
github.com/upx/upx/issues/632
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