[NEW] [medium] avahi daemon: Multiple vulnerabilities allow Denial of Service
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
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2281
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-58406 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-59987 | coverage & exploitation status | NVD · 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.
- medium[UPDATE] [medium] avahi-daemon: Vulnerability allows denial of servicecert-bund · 2026-07-02
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