CVE-2026-1425

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Source
https://cve.org/CVERecord?id=CVE-2026-1425
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1425.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-1425
Downstream
Published
2026-01-26T07:32:06.516Z
Modified
2026-07-15T01:49:13.524574903Z
Severity
  • 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/E:X CVSS Calculator
Summary
pymumu SmartDNS SVBC Record dns.c _dns_decode_SVCB_HTTPS stack-based overflow
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.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-119",
        "CWE-121"
    ],
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "47.0"
                },
                {
                    "last_affected": "47.0"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1425.json"
}
References

Affected packages

Git / github.com/pymumu/smartdns

Affected ranges

Type
GIT
Repo
https://github.com/pymumu/smartdns
Events
Introduced
3e48a94b9875b74509c5265d740915e7c8e60315
Fixed
2d57c4b4e1add9b4537aeb403f794a084727e1c8
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "47.1"
        },
        {
            "last_affected": "47.1"
        }
    ]
}

Affected versions

47.*
47.1
Release47.*
Release47.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1425.json"