UBUNTU-CVE-2026-1425

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Source
https://ubuntu.com/security/CVE-2026-1425
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1425.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-1425
Upstream
Published
2026-01-26T08:16:00Z
Modified
2026-01-30T21:02:55.278897Z
Severity
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function dnsdecoderrhead/dnsdecodeSVCBHTTPS of the file src/dns.c of the component SVBC Record Parser. The manipulation results in stack-based buffer overflow. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The patch is identified as 2d57c4b4e1add9b4537aeb403f794a084727e1c8. Applying a patch is advised to resolve this issue.

References

Affected packages

Ubuntu:Pro:22.04:LTS / smartdns

Package

Name
smartdns
Purl
pkg:deb/ubuntu/smartdns@35+dfsg-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

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

Affected versions

33+dfsg-2.*
33+dfsg-2.1
33+dfsg-2.1build1
Other
35+dfsg-1
35+dfsg-1ubuntu0.*
35+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "35+dfsg-1ubuntu0.1~esm1",
            "binary_name": "smartdns"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1425.json"

Ubuntu:Pro:24.04:LTS / smartdns

Package

Name
smartdns
Purl
pkg:deb/ubuntu/smartdns@45+dfsg-1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble

Affected ranges

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

Affected versions

Other
42+dfsg-1
43+dfsg-1
45+dfsg-1
45+dfsg-1build1
45+dfsg-1build2
45+dfsg-1ubuntu0.*
45+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "45+dfsg-1ubuntu0.1~esm1",
            "binary_name": "smartdns"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1425.json"

Ubuntu:25.10 / smartdns

Package

Name
smartdns
Purl
pkg:deb/ubuntu/smartdns@46.1+dfsg-1?arch=source&distro=questing

Affected ranges

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

Affected versions

Other
46+dfsg-1ubuntu1
46.*
46.1+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "46.1+dfsg-1",
            "binary_name": "smartdns"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1425.json"