Stack-based Buffer Overflow Affecting pymumu/smartdns package, versions [0,]
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- published26 Jan 2026
- disclosed26 Jan 2026
- creditUnknown
Introduced: 26 Jan 2026
NewCVE-2026-1425 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the _dns_decode_rr_head and _dns_decode_SVCB_HTTPS functions in the dns.c file. An attacker can execute arbitrary code or cause a denial of service by sending specially crafted network packets to the affected service.