ZDI-26-584: dnsmasq DNSSEC NSEC/NSEC3 Type Bitmap Processing Infinite Loop Denial-of-Service Vulnerability

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-08-13 05:00 UTC
  • Importiert: 2026-10-16 20:27 UTC
  • CVSS: 7.5
  • Quelle-ID: zdi_pub
  • uid_hash: e377746b2cbc9340ef45fdd8285d984f9b3550d631da0ef614d7ab74532e3fb0

Inhalt

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of dnsmasq. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-4890.

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2026-4890

HIGH

7.5

HIGH

7.5

2026-05-11

Quellen-Details

Bezeichnung Name Kategorie Tags Zielgruppe Sprache Feed-URL
Zero Day Initiative (Published)

zdi_pub

threat_intel - de https://www.zerodayinitiative.com/rss/published/