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Untriaged
Permalink CVE-2026-1425
5.6 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): Low (L)
  • Exploit Code Maturity (E): Not Defined (X)
  • Remediation Level (RL): Official Fix (O)
  • Report Confidence (RC): Confirmed (C)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): Low (L)
created 3 months, 4 weeks ago Activity log
  • Created suggestion 3 months, 4 weeks ago
pymumu SmartDNS SVBC Record dns.c _dns_decode_SVCB_HTTPS stack-based overflow

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.

Affected products

SmartDNS
  • ==47.0
  • ==47.1

Matching in nixpkgs

pkgs.smartdns

A local DNS server to obtain the fastest website IP for the best Internet experience

  • nixos-unstable 47
    • nixpkgs-unstable 47
    • nixos-unstable-small 47

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