CVE-2026-24401

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401 Avahi has Uncontrolled Recursion in lookup_handle_cname function

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

PT-2026-4557

Name of the Vulnerable Software and Affected Versions Avahi versions 0.9rc2 and below Description Avahi, a system for service discovery on a local network using mDNS/DNS-SD, is susceptible to a denial-of-service condition. Sending a crafted mDNS response with a recursive CNAME record, where the...

Avahi security vulnerability

Avahi is a set of open-source local service discovery tools for Linux. Versions of Avahi 0.9rc2 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the sending of mDNS responses that included recursive CNAME records, which could lead to segmentation violations and...

Linux Distros Unpatched Vulnerability : CVE-2026-24401

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be...

SUSE SLED15: avahi / avahi-autoipd / avahi-compat-howl-devel / etc (SUSE-SU-2026:0259-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0259-1 advisory. - CVE-2025-68276: Fixed refuse to create wide-area record browsers when wide-area is off...

OESA-2026-1236 avahi security update

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared...

MGASA-2026-0016 Updated avahi packages fix security vulnerabilities

Avahi has a reachable assertion in avahiwideareascancache. CVE-2025-68276 Avahi has a reachable assertion in lookupmulticastcallback. CVE-2025-68468 Avahi has a reachable assertion in lookupstart. CVE-2025-68471...

Updated avahi packages fix security vulnerabilities

Avahi has a reachable assertion in avahiwideareascancache. CVE-2025-68276 Avahi has a reachable assertion in lookupmulticastcallback. CVE-2025-68468 Avahi has a reachable assertion in lookupstart. CVE-2025-68471...

Mageia: Security Advisory (MGASA-2026-0016)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security update for avahi

This update for avahi fixes the following issues: CVE-2025-68276: Fixed refuse to create wide-area record browsers when wide-area is off bsc1256498 CVE-2025-68471: Fixed DoS bug by changing assert to return bsc1256500 CVE-2025-68468: Fixed DoS bug by removing incorrect assertion bsc1256499 Patch...

SUSE-SU-2026:0259-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2025-68276: Fixed refuse to create wide-area record browsers when wide-area is off bsc1256498 - CVE-2025-68471: Fixed DoS bug by changing assert to return bsc1256500 - CVE-2025-68468: Fixed DoS bug by removing incorrect assertion bsc1256499...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Avahi vulnerabilities (USN-7967-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7967-1 advisory. It was discovered that Avahi incorrectly terminated when processing browser records...

MiracleLinux 9 : avahi-0.8-15.el9 (AXSA:2023-6723:02)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6723:02 advisory. avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket CVE-2021-3468 avahi: reachable assertion in...

MiracleLinux 8 : avahi-0.7-21.el8 (AXSA:2023-7099:03)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-7099:03 advisory. avahi: avahi-daemon can be crashed via DBus CVE-2023-1981 Tenable has extracted the preceding description block directly from the MiracleLinux security...

Ubuntu: Security Advisory (USN-7967-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

MiracleLinux 9 : avahi-0.8-20.el9 (AXSA:2024-8045:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8045:04 advisory. avahi: Reachable assertion in avahidnspacketappendrecord CVE-2023-38469 avahi: Reachable assertion in avahiescapelabel CVE-2023-38470 avahi: Reachab...

MiracleLinux 8 : avahi-0.7-21.el8_9.1 (AXSA:2024-7355:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7355:01 advisory. avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket CVE-2021-3468 avahi: Reachable assertion in...

MiracleLinux 7 : avahi-0.6.31-20.el7 (AXSA:2020-4548:01)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2020-4548:01 advisory. avahi: Multicast DNS responds to unicast queries outside of local network CVE-2017-6519 Tenable has extracted the preceding description block directly from t...