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CVE-2026-1425

MEDIUM

5.6

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.

CVE Details

CVSS v3.1 Score5.6

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published1/26/2026

Last Modified2/23/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-121

References

https://github.com/pymumu/smartdns/(cna@vuldb.com)

https://github.com/pymumu/smartdns/commit/2d57c4b4e1add9b4537aeb403f794a084727e1c8(cna@vuldb.com)

https://vuldb.com/?ctiid.342841(cna@vuldb.com)

https://vuldb.com/?id.342841(cna@vuldb.com)

https://vuldb.com/?submit.736827(cna@vuldb.com)

IOC Correlations

No correlations recorded

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