UBUNTU-CVE-2026-40469

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Source
https://ubuntu.com/security/CVE-2026-40469
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-40469
Upstream
  • CVE-2026-40469
Published
2026-07-13T13:16:00Z
Modified
2026-07-15T19:46:48.101564063Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below.

References

Affected packages

Ubuntu:20.04:LTS
gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk?arch=source&distro=focal

Affected ranges

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

Affected versions

1:4.*
1:4.2.1+dfsg-1.1build1
1:5.*
1:5.0.1+dfsg-1
1:5.0.1+dfsg-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.0.1+dfsg-1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:22.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.1.0-1build1
1:5.1.0-1build2
1:5.1.0-1build3
1:5.1.0-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.1.0-1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:24.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.2.1-2
1:5.2.1-2build2
1:5.2.1-2build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.2.1-2build3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:26.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.3.2-1build1
1:5.3.2-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.3.2-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:Pro:14.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:4.*
1:4.0.1+dfsg-2.1ubuntu2
1:4.0.1+dfsg-2.1ubuntu2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.0.1+dfsg-2.1ubuntu2+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:Pro:16.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:4.*
1:4.1.1+dfsg-1
1:4.1.3+dfsg-0.1
1:4.1.3+dfsg-0.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.1.3+dfsg-0.1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"
Ubuntu:Pro:18.04:LTS
gawk

Package

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

Affected ranges

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

Affected versions

1:4.*
1:4.1.4+dfsg-1
1:4.1.4+dfsg-1build1
1:4.1.4+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.1.4+dfsg-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40469.json"