avahi: avahi-daemon can be crashed via DBus
Published May 26, 2023
6.2
MEDIUMCVSS 3.1
EPSS 0.39%
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 n/a Product Avahi Defaultn/a
- Version avahi-0.7-20StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Avahi | n/a |
|
Configuration 2
- 37
Configuration 3
- 6.0
- 7.0
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 8
avahi-0:0.7-21.el8
Fixed · RHSA-2023:7190
Red Hat Enterprise Linux 8
avahi-0:0.7-21.el8
Fixed · RHSA-2023:7190
Red Hat Enterprise Linux 9
avahi-0:0.8-15.el9
Fixed · RHSA-2023:6707
Red Hat Enterprise Linux 9
avahi-0:0.8-15.el9
Fixed · RHSA-2023:6707
Red Hat Enterprise Linux 6
avahi
Out of support scope
Red Hat Enterprise Linux 7
avahi
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | avahi-0:0.7-21.el8 | Fixed | RHSA-2023:7190 |
| Red Hat Enterprise Linux 8 | avahi-0:0.7-21.el8 | Fixed | RHSA-2023:7190 |
| Red Hat Enterprise Linux 9 | avahi-0:0.8-15.el9 | Fixed | RHSA-2023:6707 |
| Red Hat Enterprise Linux 9 | avahi-0:0.8-15.el9 | Fixed | RHSA-2023:6707 |
| Red Hat Enterprise Linux 6 | avahi | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | avahi | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 15, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00386) | 30.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00392) | 30.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.02% (0.00016) | 1.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Jun 3, 2023 | 0.04% (0.00042) | 5.66th | v3 (v2023.03.01) |
| May 27, 2023 | 0.04% (0.00045) | 12.28th | v3 (v2023.03.01) |
References (6)
- https://access.redhat.com/security/cve/CVE-2023-1981 Third Party AdvisoryVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2185911 Issue TrackingThird Party Advisory
- https://github.com/lathiat/avahi/issues/375 ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html
- https://nvd.nist.gov/vuln/detail/CVE-2023-1981
- https://www.cve.org/CVERecord?id=CVE-2023-1981
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-1981 | Third Party AdvisoryVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2185911 | Issue TrackingThird Party Advisory | |
| https://github.com/lathiat/avahi/issues/375 | ExploitIssue TrackingThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html | ||
| https://nvd.nist.gov/vuln/detail/CVE-2023-1981 | ||
| https://www.cve.org/CVERecord?id=CVE-2023-1981 |
Change history (0)
No recorded changes yet.