CVE-2026-1425 (GCVE-0-2026-1425)
Vulnerability from cvelistv5 – Published: 2026-01-26 07:32 – Updated: 2026-02-23 08:58 X_Open Source
VLAI
EPSS
VEX
Title
pymumu SmartDNS SVBC Record dns.c _dns_decode_SVCB_HTTPS stack-based overflow
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-26 14:16 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.342841 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.342841 | signaturepermissions-required |
| https://vuldb.com/?submit.736827 | third-party-advisory |
| https://github.com/pymumu/smartdns/commit/2d57c4b… | patch |
| https://github.com/pymumu/smartdns/ | product |
Impacted products
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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