UBUNTU-CVE-2020-27796

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Source
https://ubuntu.com/security/CVE-2020-27796
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27796.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-27796
Upstream
Published
2022-08-25T20:15:00Z
Modified
2026-05-20T16:04:22Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A heap-based buffer over-read was discovered in the invert_pt_dynamic function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

References

Affected packages

Ubuntu:16.04:LTS
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?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-2020-27796.json"
Ubuntu:18.04:LTS
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?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-2020-27796.json"
Ubuntu:20.04:LTS
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?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-2020-27796.json"
Ubuntu:22.04:LTS
upx-ucl

Package

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

Affected ranges

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

Affected versions

3.*
3.96-2
3.96-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "3.96-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27796.json"
Ubuntu:24.04:LTS
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?arch=source&distro=noble

Affected ranges

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

Affected versions

3.*
3.96-3
4.*
4.2.2-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "4.2.2-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27796.json"
Ubuntu:25.10
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?arch=source&distro=questing

Affected ranges

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

Affected versions

4.*
4.2.4-1
4.2.4-1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "4.2.4-1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27796.json"
Ubuntu:26.04:LTS
upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/ubuntu/upx-ucl?arch=source&distro=resolute

Affected ranges

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

Affected versions

4.*
4.2.4-1.1
4.2.4-1.1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "upx-ucl",
            "binary_version": "4.2.4-1.1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27796.json"