UBUNTU-CVE-2023-31470

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2023-31470

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31470.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-31470

Related

CVE-2023-31470

Withdrawn

2025-06-23T15:56:51Z

Published

2023-04-28T21:15:00Z

Modified

2026-01-30T00:49:20.629542Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the dnsencode_domain function in the dns.c file, via a crafted DNS request.

References

Affected packages

Ubuntu:22.04:LTS / smartdns

Package

Name: smartdns
Purl: pkg:deb/ubuntu/smartdns@35+dfsg-1?arch=source&distro=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

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-31470.json"