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CVE-2021-30501

Published: 27 May 2021

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Priority

Negligible

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
upx-ucl
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
jammy Needs triage

bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
trusty Does not exist

upstream Needs triage

kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

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