PoC Index

CVE-2021-43311

HIGH 7.5EPSS 0.8%

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf32::elf_lookup() at p_lx_elf.cpp:5382.

CVSS v3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.82% chance of exploitation in the next 30 days, 55th percentile
Published
2023-03-24
Updated
2025-02-25

Proof-of-concept exploits (1)

References

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