Packages
- avahi - IPv4LL network address configuration daemon
Details
It was discovered that Avahi incorrectly terminated when processing browser
records with wide-area disabled. An attacker could possibly use this issue
to cause Avahi to crash, resulting in a denial of service. (CVE-2025-68276)
It was discovered that Avahi incorrectly terminated when processing
unsolicited CNAME records pointing to resource records with short TTLs. An
attacker could possibly use this issue to cause Avahi to crash, resulting
in a denial of service. (CVE-2025-68468)
It was discovered that Avahi incorrectly terminated when processing
unsolicited CNAME records in quick succession. An attacker could possibly
use this issue to cause Avahi to crash, resulting in a denial of service.
(CVE-2025-68471)
It was discovered that Avahi incorrectly terminated when processing browser
records with wide-area disabled. An attacker could possibly use this issue
to cause Avahi to crash, resulting in a denial of service. (CVE-2025-68276)
It was discovered that Avahi incorrectly terminated when processing
unsolicited CNAME records pointing to resource records with short TTLs. An
attacker could possibly use this issue to cause Avahi to crash, resulting
in a denial of service. (CVE-2025-68468)
It was discovered that Avahi incorrectly terminated when processing
unsolicited CNAME records in quick succession. An attacker could possibly
use this issue to cause Avahi to crash, resulting in a denial of service.
(CVE-2025-68471)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.10 questing | avahi-daemon – 0.8-16ubuntu3.1 | ||
| 24.04 LTS noble | avahi-daemon – 0.8-13ubuntu6.1 | ||
| 22.04 LTS jammy | avahi-daemon – 0.8-5ubuntu5.4 | ||
| 20.04 LTS focal | avahi-daemon – 0.7-4ubuntu7.3+esm1 | ||
| 18.04 LTS bionic | avahi-daemon – 0.7-3.1ubuntu1.3+esm3 | ||
| 16.04 LTS xenial | avahi-daemon – 0.6.32~rc+dfsg-1ubuntu2.3+esm4 | ||
| 14.04 LTS trusty | avahi-daemon – 0.6.31-4ubuntu1.3+esm4 | ||
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