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CVE-2008-5081

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in...

5.0 MediumPublic exploitFix available

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Exploit likelihood

59.2%Down 10.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
CVE-2008-5081
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
CVE-2008-5081
Updated
2026-11-02
EUVDEUVD-2008-5060 No score

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
EUVD-2008-5060
Updated
2026-11-03
GitHub AdvisoriesGHSA-r2cw-w385-f36j No score

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in...

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
GHSA-r2cw-w385-f36j
Updated
2026-11-02
OSV No score

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
CVE-2008-5081
Updated
2026-11-02
OSVDEBIAN-CVE-2008-5081 No score

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

Record
DEBIAN-CVE-2008-5081
Updated
2026-11-02
OSVopenSUSE-SU-2024:10643-1 No score

avahi-0.8-7.2 on GA media

These are all security issues fixed in the avahi-0.8-7.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10643-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
avahi
Debian:12
 before 0.6.23-3
0.6.23-3
avahi
Debian:13
 before 0.6.23-3
0.6.23-3
avahi
Debian:14
 before 0.6.23-3
0.6.23-3
avahi
Debian:4.0
From an advisory covering 2 CVEs
 before 0.6.16-3etch2, plus listed versions
0.6.16-3etch1
0.6.16-3etch2
avahi
Debian:5.0
 before 0.6.22-3+lenny1
0.6.22-3+lenny1
avahi
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-howl-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-libdns_sd-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
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Affected packages
PackageAffectedFixed
avahi-glib-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-qt3-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-howl
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-libdns_sd
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-glib
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-qt3
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-tools
Red Hat:enterprise_linux:5::client
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-howl
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-howl-devel
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-libdns_sd
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-compat-libdns_sd-devel
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-devel
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-glib
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-glib-devel
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-qt3
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-qt3-devel
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi-tools
Red Hat:enterprise_linux:5::server
 before 0:0.6.16-1.el5_2.1
0:0.6.16-1.el5_2.1
avahi
openSUSE:Tumbleweed
From an advisory covering 8 CVEs
 before 0.8-7.2
0.8-7.2

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBAvahi < 0.6.24 - mDNS Daemon Remote Denial of Service2008-12-19
MetasploitAvahi Source Port 0 DoS2008-11-14

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-5081 is a medium vulnerability (CVSS 5.0) in Avahi, published December 17, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 59.2%, the 99th percentile. Fixed in avahi 0.6.23-3.

References

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