UBUNTU-CVE-2026-3994

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Source
https://ubuntu.com/security/CVE-2026-3994
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-3994
Upstream
Published
2026-03-12T06:16:00Z
Modified
2026-05-20T16:25:38.774535291Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X8664::initializesections of the file src/input-files.cc of the component Object File Handler. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

References

Affected packages

Ubuntu:22.04:LTS / mold

Package

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

Affected ranges

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

Affected versions

1.*
1.0.3+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mold",
            "binary_version": "1.0.3+dfsg-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"

Ubuntu:24.04:LTS / mold

Package

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

Affected ranges

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

Affected versions

1.*
1.11.0+dfsg-1ubuntu1
2.*
2.3.3+dfsg-1
2.4.0+dfsg-1
2.4.1+dfsg-1
2.30.0+dfsg-1
2.30.0+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mold",
            "binary_version": "2.30.0+dfsg-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"

Ubuntu:25.10 / mold

Package

Name
mold
Purl
pkg:deb/ubuntu/mold?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*
2.37.1+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mold",
            "binary_version": "2.37.1+dfsg-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"

Ubuntu:26.04:LTS / mold

Package

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

Affected ranges

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

Affected versions

2.*
2.37.1+dfsg-1
2.40.4+dfsg-2.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "mold",
            "binary_version": "2.40.4+dfsg-2.1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3994.json"