UBUNTU-CVE-2026-82474

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Source

https://ubuntu.com/security/CVE-2026-82474

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-82474

Upstream

CVE-2026-82474

Published

2026-08-31T00:00:00Z

Modified

2026-08-31T22:15:53.705151850Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
8.5 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging.

References

Affected packages

Ubuntu:22.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.9.5p2-3ubuntu2

1.9.9-1ubuntu2

1.9.9-1ubuntu2.1

1.9.9-1ubuntu2.2

1.9.9-1ubuntu2.3

1.9.9-1ubuntu2.4

1.9.9-1ubuntu2.5

1.9.9-1ubuntu2.6

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.9.9-1ubuntu2.6",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.9.9-1ubuntu2.6",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:24.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.9.14p2-1ubuntu1

1.9.15p5-3ubuntu1

1.9.15p5-3ubuntu3

1.9.15p5-3ubuntu4

1.9.15p5-3ubuntu5

1.9.15p5-3ubuntu5.24.04.1

1.9.15p5-3ubuntu5.24.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.9.15p5-3ubuntu5.24.04.2",
            "binary_name": "libnss-sudo"
        },
        {
            "binary_version": "1.9.15p5-3ubuntu5.24.04.2",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.9.15p5-3ubuntu5.24.04.2",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:26.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.9.17p2-1ubuntu1

1.9.17p2-1ubuntu2

1.9.17p2-1ubuntu3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.9.17p2-1ubuntu3",
            "binary_name": "libnss-sudo"
        },
        {
            "binary_version": "1.9.17p2-1ubuntu3",
            "binary_name": "sudo"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:Pro:14.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.6p3-0ubuntu3

1.8.8-2ubuntu1

1.8.8-2ubuntu2

1.8.9p4-1ubuntu1

1.8.9p4-1ubuntu2

1.8.9p5-1ubuntu1

1.8.9p5-1ubuntu1.1

1.8.9p5-1ubuntu1.2

1.8.9p5-1ubuntu1.3

1.8.9p5-1ubuntu1.4

1.8.9p5-1ubuntu1.5+esm1

1.8.9p5-1ubuntu1.5+esm2

1.8.9p5-1ubuntu1.5+esm3

1.8.9p5-1ubuntu1.5+esm5

1.8.9p5-1ubuntu1.5+esm6

1.8.9p5-1ubuntu1.5+esm7

1.8.9p5-1ubuntu1.5+esm8

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.9p5-1ubuntu1.5+esm8",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.8.9p5-1ubuntu1.5+esm8",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:Pro:16.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=esm-infra%2Fxenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.12-1ubuntu3

1.8.16-0ubuntu1

1.8.16-0ubuntu1.1

1.8.16-0ubuntu1.2

1.8.16-0ubuntu1.3

1.8.16-0ubuntu1.4

1.8.16-0ubuntu1.5

1.8.16-0ubuntu1.6

1.8.16-0ubuntu1.7

1.8.16-0ubuntu1.8

1.8.16-0ubuntu1.9

1.8.16-0ubuntu1.10

1.8.16-0ubuntu1.10+esm1

1.8.16-0ubuntu1.10+esm2

1.8.16-0ubuntu1.10+esm3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.16-0ubuntu1.10+esm3",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.8.16-0ubuntu1.10+esm3",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:Pro:18.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.20p2-1ubuntu1

1.8.21p2-2ubuntu1

1.8.21p2-3ubuntu1

1.8.21p2-3ubuntu1.1

1.8.21p2-3ubuntu1.2

1.8.21p2-3ubuntu1.3

1.8.21p2-3ubuntu1.4

1.8.21p2-3ubuntu1.5

1.8.21p2-3ubuntu1.6

1.8.21p2-3ubuntu1.6+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.21p2-3ubuntu1.6+esm1",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.8.21p2-3ubuntu1.6+esm1",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"

Ubuntu:Pro:20.04:LTS

sudo

Package

Name: sudo
Purl: pkg:deb/ubuntu/sudo?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.27-1ubuntu4

1.8.29-1ubuntu1

1.8.31-1ubuntu1

1.8.31-1ubuntu1.1

1.8.31-1ubuntu1.2

1.8.31-1ubuntu1.4

1.8.31-1ubuntu1.5

1.8.31-1ubuntu1.5+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.31-1ubuntu1.5+esm1",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.8.31-1ubuntu1.5+esm1",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82474.json"