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[NEW] [medium] avahi daemon: Multiple vulnerabilities allow Denial of Service

mediumCVE-2026-58406CVE-2026-59987
An attacker can exploit multiple vulnerabilities in avahi daemon to conduct a Denial of Service attack.

CSIRTS triage

What
Multiple vulnerabilities in avahi daemon allow an attacker to conduct a Denial of Service attack.
Who is affected
Deployments of avahi daemon are affected by these vulnerabilities.
Urgency
Remediation is medium urgency due to the potential for service disruption.
Action
Apply the latest security patches for avahi daemon.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-13
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2281

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-58406coverage & exploitation statusNVD · CVE.org
CVE-2026-59987coverage & exploitation statusNVD · CVE.org

Recent advisories for avahi daemon

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories