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CVE-2021-43313

Description

A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf32::invert_pt_dynamic at p_lx_elf.cpp:1688.

POC

Reference

- https://github.com/upx/upx/issues/378

Github

No PoCs found on GitHub currently.