Description

A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS 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.

INFO

Published Date :

2026-01-26T07:32:06.516Z

Last Modified :

2026-02-23T08:58:07.493Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1425 vulnerability.

Vendors Products
Pymumu
  • Smartdns
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1425.

URL Resource
https://github.com/pymumu/smartdns/ cve-icon cve-icon
https://github.com/pymumu/smartdns/commit/2d57c4b4e1add9b4537aeb403f794a084727e1c8 cve-icon cve-icon
https://vuldb.com/?ctiid.342841 cve-icon cve-icon
https://vuldb.com/?id.342841 cve-icon cve-icon
https://vuldb.com/?submit.736827 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact