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CVE-2019-20053

Published: 27 December 2019

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
upx-ucl
Launchpad, Ubuntu, Debian
impish Not vulnerable
(3.96-2)
focal Needs triage

jammy Not vulnerable
(3.96-2)
kinetic Not vulnerable
(3.96-2)
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
groovy Not vulnerable
(3.96-2)
hirsute Not vulnerable
(3.96-2)
lunar Not vulnerable
(3.96-2)
trusty Does not exist

upstream Needs triage

xenial Needs triage

mantic Not vulnerable
(3.96-2)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H