UBUNTU-CVE-2020-27790

Source
https://ubuntu.com/security/CVE-2020-27790
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27790.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27790
Upstream
Published
2022-08-18T19:15:00Z
Modified
2025-07-16T07:41:26.098883Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A floating point exception issue was discovered in UPX in PackLinuxElf64::invertptdynamic() function of plxelf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.

References

Affected packages

Ubuntu:Pro:16.04:LTS / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl@3.91-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.91-1

Ubuntu:Pro:18.04:LTS / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl@3.94-4?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.94-2
3.94-3
3.94-4

Ubuntu:Pro:20.04:LTS / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl@3.95-2build1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.95-2
3.95-2build1

Ubuntu:22.04:LTS / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl@3.96-3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.96-3

Affected versions

3.*

3.96-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.96-3",
            "binary_name": "upx-ucl"
        },
        {
            "binary_version": "3.96-3",
            "binary_name": "upx-ucl-dbgsym"
        }
    ],
    "availability": "No subscription required"
}