UBUNTU-CVE-2020-27787

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Source
https://ubuntu.com/security/CVE-2020-27787
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27787.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27787
Upstream
Published
2022-08-18T19:15:00Z
Modified
2025-10-24T04:48:52Z
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 Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

References

Affected packages

Ubuntu:16.04:LTS / upx-ucl

Package

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

Affected ranges

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

Affected versions

3.*
3.91-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "3.91-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27787.json"

Ubuntu:18.04:LTS / upx-ucl

Package

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

Affected ranges

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

Affected versions

3.*
3.94-2
3.94-3
3.94-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "3.94-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27787.json"

Ubuntu:20.04:LTS / upx-ucl

Package

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

Affected ranges

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

Affected versions

3.*
3.95-2
3.95-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "3.95-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27787.json"