AlmaLinux 9.6 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.6:CLSA-2026:1773137055)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1773137055 advisory. - 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,...

CentOS Linux 7 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1786027278)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1786027278 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, a...

Rocky Linux 8 [CIQ] Security Update: avahi / avahi-autoipd / avahi-autoipd-debuginfo / avahi-compat-howl / etc (crlsa-2023_7190)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20237190 advisory. avahi: avahi-daemon can be crashed via DBus CVE-2023-1981 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.2:CLSA-2026:1786360814)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786360814 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions up to and includin...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc (ALMALINUX9.2:CLSA-2026:1778112033)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778112033 advisory. - 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,...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1785765391)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785765391 advisory. - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlie...

Astra Linux – Vulnerability in avahi

In Avahi, including versions 0.6.32 and 0.7, avahi-daemon inadvertently responds to IPv6 unicast queries with source addresses that are not on-link. This allows remote attackers to cause a denial of service traffic amplification and may lead to information leakage by extracting potentially...

Astra Linux – Vulnerability in avahi

The avahi-daemon-check-dns.sh script within the Debian avahi package, as of version 0.8-4, is executed as the root user via /etc/network/if-up.d/avahi-daemon. This script allows a local attacker to cause a denial of service or create arbitrary empty files through a symlink attack on files located...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2721)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any...

EulerOS 2.0 SP12 : avahi (EulerOS-SA-2026-2519)

According to the versions of the avahi packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any...

OPENSUSE-SU-2026:21014-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546. - CVE-2026-24401: unsolicited mDNS responses containing a recursive CNAME record can crash the avahi-daemon bsc1257235...

SUSE-SU-2026:22338-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546. - CVE-2026-24401: unsolicited mDNS responses containing a recursive CNAME record can crash the avahi-daemon bsc1257235...

SUSE SLES12 Security Update : avahi (SUSE-SU-2026:2296-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:2296-1 advisory. This update for avahi fixes the following issue: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc126154...

SUSE-SU-2026:2296-1 Security update for avahi

This update for avahi fixes the following issue: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546...

Security update for avahi

This update for avahi fixes the following issue: CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

EulerOS Virtualization 2.10.1 : avahi (EulerOS-SA-2026-2015)

According to the versions of the avahi package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, ...

EulerOS Virtualization 2.13.0 : avahi (EulerOS-SA-2026-2159)

According to the versions of the avahi package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, ...

SUSE-SU-2026:21631-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546...

SUSE-SU-2026:21417-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-34933: reachable assertion in transportflagsfromdomain can crash the avahi-daemon bsc1261546...

avahi: Avahi: Denial of Service via crafted mDNS/DNS-SD announcements

A flaw was found in Avahi. A remote attacker can cause a Denial of Service DoS by sending specially crafted unsolicited announcements containing CNAME resource records. These records, when pointing to other resource records with short Time-To-Live TTL values, can lead to the avahi-daemon crashing...