CVE-2017-16869: 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…

PriorityP426high7.8CVSS 3.0

AVLACLPRNUIRSUCHIHAH

EPSS

1.00%

58.6th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
debian	upx-ucl	< upx-ucl 3.94-4 (bullseye)	upx-ucl 3.94-4 (bullseye)
upx	upx	—	—

CVSS provenance

nvdv3.07.8HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8LOW

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.