{"id":"CVE-2024-52616","title":"A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that","summary":"A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to gu…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-334"],"published":"2024-11-21","updated":"2026-06-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-52616","references":[{"url":"https://access.redhat.com/errata/RHSA-2025:7437","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2024-52616","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2326429","label":"secalert@redhat.com"},{"url":"https://github.com/avahi/avahi/pull/577","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00726,"epssPercentile":0.5392,"ingestedAt":"2026-06-29T13:24:33.973Z","vendor":"Red Hat","product":"avahi","affected":["avahi < 0.9","avahi (all versions)","avahi (all versions)","avahi","avahi (all versions)","openshift/ose-rhel-coreos-9"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2024-11-21T21:06:40.598366Z"},"slug":"CVE-2024-52616","body":"## Overview\n\nA flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to guess transaction IDs.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}