CVE-2026-48045

Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12, AsyncListener.handlequeryordefer retained every truncated TC-bit incoming query, each up to MAXMSGABSOLUTE = 8966 bytes, in self.deferredaddr and armed a per-address timer in self.timersaddr without...

CVE-2026-30872: Stack-based Buffer Overflow

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the matchipv6addresses function, triggered when processing PTR queries for IPv6 reverse DNS domains .ip6.arpa receiv...

CVE-2026-30871: Stack-based Buffer Overflow

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6 and 25.12.1, the mdns daemon has a Stack-based Buffer Overflow vulnerability in the parsequestion function. The issue is triggered by PTR queries for reverse DNS domains .in-addr.arpa and .ip6.arp...

avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.

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CVE-2018-1000845

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultID: CVE-2017-6519. Reason: This candidate is a duplicate of CVE-2017-6519. Notes: All CVE users should reference CVE-2017-6519 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage...

AZL-6322 CVE-2017-6519 affecting package avahi for versions less than 0.8-1

avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service traffic amplification and may cause information leakage by obtaining potentially sensitive information...