4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
47.7%
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.
bugzilla.redhat.com/show_bug.cgi?id=1948696
github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46
github.com/upx/upx/issues/486
github.com/upx/upx/pull/487
launchpad.net/bugs/cve/CVE-2021-30501
nvd.nist.gov/vuln/detail/CVE-2021-30501
security-tracker.debian.org/tracker/CVE-2021-30501
www.cve.org/CVERecord?id=CVE-2021-30501
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
47.7%