CVE-2017-16869

7.8 highEPSS 1.0%

p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted Mach-O file, related to canPack and unpack functions. NOTE: the vendor has stated "there is no security implication whatsoever.

Severity

CVSS 3.0

7.8 high

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-11-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

upx:upx

References

https://github.com/upx/upx/issues/146
https://github.com/upx/upx/issues/146

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