Vulnerability · Published May 26, 2023 · Assigned by redhat
CVE-2023-1981
Medium 5.5
In plain English
A medium-severity uncontrolled resource consumption in avahi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.4%top 67.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | avahi | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-autoipd | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | avahi-compat-howl | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-compat-howl | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-compat-howl-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-compat-howl-devel | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-compat-libdns_sd | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-compat-libdns_sd | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-compat-libdns_sd-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-compat-libdns_sd-devel | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-devel | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-glib | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-glib | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-glib-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-glib-devel | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-gobject | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | avahi-gobject-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | avahi-libs | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-libs | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-tools | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:9 | avahi-tools | 0.8-15.el9 | ALSA-2023:6707 |
| AlmaLinux:8 | avahi-ui | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | avahi-ui-devel | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | avahi-ui-gtk3 | 0.7-21.el8 | ALSA-2023:7190 |
| AlmaLinux:8 | python3-avahi | 0.7-21.el8 | ALSA-2023:7190 |
| Alpine:v3.20 | avahi | 0.8-r14 | ALPINE-CVE-2023-1981 |
| Alpine:v3.21 | avahi | 0.8-r14 | ALPINE-CVE-2023-1981 |
| Alpine:v3.22 | avahi | 0.8-r14 | ALPINE-CVE-2023-1981 |
| Alpine:v3.23 | avahi | 0.8-r14 | ALPINE-CVE-2023-1981 |
| Alpine:v3.24 | avahi | 0.8-r14 | ALPINE-CVE-2023-1981 |
| Debian:12 | avahi | 0.8-10 | DEBIAN-CVE-2023-1981 |
| Debian:13 | avahi | 0.8-10 | DEBIAN-CVE-2023-1981 |
| Debian:14 | avahi | 0.8-10 | DEBIAN-CVE-2023-1981 |
| Rocky Linux:8 | avahi | 0:0.7-21.el8 | RLSA-2023:7190 |
| Ubuntu:22.04:LTS | avahi | 0.8-5ubuntu5.1 | UBUNTU-CVE-2023-1981 |
| Ubuntu:22.04:LTS | avahi | 0.8-5ubuntu5.1 | USN-6129-1 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H