Description
A vulnerability was found in the avahi library. This flaw allows an unprivileged user to make a dbus call, causing the avahi daemon to crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | avahi | avahi-0.7-20 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | avahi | 0.8-10 | — |
| Debian 13 | avahi | 0.8-10 | — |
| Debian 12 | avahi | 0.8-10 | — |
| Debian 11 | avahi | 0.8-5+deb11u3 | DLA-3990-1 |
| Debian 10 | avahi | 0.7-4+deb10u2 | DLA-3414-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | avahi | 0.8-5ubuntu5.1 | USN-6129-1 |
| Ubuntu 20.04 LTS | avahi | 0.7-4ubuntu7.2 | USN-6129-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | avahi | 0.7-3.1ubuntu1.3+esm1 | USN-6129-2 |
| Ubuntu Pro 16.04 LTS | avahi | 0.6.32~rc+dfsg-1ubuntu2.3+esm2 | USN-6129-2 |
| Ubuntu Pro 14.04 LTS | avahi | 0.6.31-4ubuntu1.3+esm2 | USN-6129-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | avahi +9 | 0.8-15.el9 | RHSA-2023:6707 |
| RHEL 8 | avahi +16 | 0.7-21.el8 | RHSA-2023:7190 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | avahi +9 | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux 8 | avahi +16 | 0.7-21.el8 | ALSA-2023:7190 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | avahi | 0.7-21.el8 | RLSA-2023:7190 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | avahi +1 | 0.8-150400.7.3.1 | SUSE-SU-2023:1994-1 |
| SLES 12 SP5 | avahi +1 | 0.6.32-32.18.1 | SUSE-SU-2023:1956-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | avahi +1 | 0.6.32-32.18.1 | SUSE-SU-2023:1956-1 |
| SLE Real Time 15 SP3 | avahi +1 | 0.7-150100.3.24.1 | SUSE-SU-2023:1993-1 |
| SLE Micro 5.4 | avahi | 0.8-150400.7.3.1 | SUSE-SU-2023:1994-1 |
| SLE Micro 5.3 | avahi | 0.8-150400.7.3.1 | SUSE-SU-2023:1994-1 |
| SLE Micro 5.2 | avahi | 0.7-150100.3.24.1 | SUSE-SU-2023:1993-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | avahi | 0.8-23.1 | openSUSE-SU-2024:12854-1 |
| openSUSE Leap 15.4 | avahi +1 | 0.8-150400.7.3.1 | SUSE-SU-2023:1994-1 |
| openSUSE Leap 15.4 | avahi-glib2 | 0.7-150100.3.24.1 | SUSE-SU-2023:1994-1, SUSE-SU-2023:1993-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | avahi | 0.8-150400.7.3.1 | SUSE-SU-2023:1994-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | avahi | 0.8-r14 | — |
| Alpine v3.23 | avahi | 0.8-r14 | — |
| Alpine v3.22 | avahi | 0.8-r14 | — |
| Alpine v3.21 | avahi | 0.8-r14 | — |
| Alpine v3.20 | avahi | 0.8-r14 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | avahi | 0.8-r14 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | avahi +15 | 0.8-14.amzn2023.0.10 | ALAS2023-2023-332 |
| Amazon Linux 2 | avahi +21 | 0.6.31-20.amzn2.0.1 | ALAS2-2023-2161 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | avahi | 0.8-3 | — |
| Azure Linux 2 (CBL-Mariner) | avahi | 0.8-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | avahi +9 | 0.8-15.el9 | ELSA-2023-6707 |
| Oracle Linux 8 | avahi +16 | 0.7-21.el8 | ELSA-2023-7190 |
Advisories 19
- ALSA-2023:6707 Moderate: avahi security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:7190 Moderate: avahi security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2023-2917 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 30, 2026
- USN-6129-2 avahi vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2023:6707 Red Hat Security Advisory: avahi security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2023:7190 Red Hat Security Advisory: avahi security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6129-1 avahi vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-3414-1 avahi - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3990-1 avahi - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2023:7190 Moderate: avahi security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2023:1993-1 Security update for avahi SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12854-1 avahi-0.8-23.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:1956-1 Security update for avahi SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1071 avahi: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 6, 2025
- SUSE-SU-2023:1994-1 Security update for avahi SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2023-7190 Moderate: avahi security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 17, 2023
- ELSA-2023-6707 Moderate: avahi security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 11, 2023
- ALAS2023-2023-332 Moderate: avahi security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 7, 2023
- ALAS2-2023-2161 Moderate: avahi security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 25, 2023