USN-6756-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-6756-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6756-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6756-1
Upstream
Related
Published
2024-04-29T10:18:57.973554Z
Modified
2025-09-08T16:38:12Z
Summary
less vulnerability
Details

It was discovered that less mishandled newline characters in file names. If a user or automated system were tricked into opening specially crafted files, an attacker could possibly use this issue to execute arbitrary commands on the host.

References

Affected packages

Ubuntu:Pro:14.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@458-2ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
458-2ubuntu0.1~esm1

Affected versions

Other

458-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "458-2ubuntu0.1~esm1",
            "binary_name": "less"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@481-2.1ubuntu0.2+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
481-2.1ubuntu0.2+esm2

Affected versions

Other

458-3
458-3ubuntu1
481-2
481-2ubuntu1

481-2.*

481-2.1
481-2.1ubuntu0.1
481-2.1ubuntu0.2
481-2.1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "481-2.1ubuntu0.2+esm2",
            "binary_name": "less"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@487-0.1ubuntu0.1~esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
487-0.1ubuntu0.1~esm2

Affected versions

481-2.*

481-2.1ubuntu2
481-2.1ubuntu3

487-0.*

487-0.1
487-0.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "487-0.1ubuntu0.1~esm2",
            "binary_name": "less"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:20.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@551-1ubuntu0.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
551-1ubuntu0.3

Affected versions

487-0.*

487-0.1build1

Other

551-1

551-1ubuntu0.*

551-1ubuntu0.1
551-1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "551-1ubuntu0.3",
            "binary_name": "less"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@590-1ubuntu0.22.04.3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
590-1ubuntu0.22.04.3

Affected versions

Other

551-2
551-2build1
590-1
590-1build1

590-1ubuntu0.*

590-1ubuntu0.22.04.1
590-1ubuntu0.22.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "590-1ubuntu0.22.04.3",
            "binary_name": "less"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS / less

Package

Name
less
Purl
pkg:deb/ubuntu/less@590-2ubuntu2.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
590-2ubuntu2.1

Affected versions

Other

590-2
590-2ubuntu1
590-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "590-2ubuntu2.1",
            "binary_name": "less"
        }
    ],
    "availability": "No subscription required"
}