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Status published
High
CVE-2021-43315
A heap-based buffer overflows was discovered in upx, during the...
Vulnerability Description
A heap-based buffer overflows 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:5349
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
upx
Vulnerable Versions:
upx before 4.0.0-git-c6b9e3c62d15
Timeline
Official Publish:
March 24th, 2023
Last Modified:
February 25th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H