CVE-2026-34933

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Source
https://cve.org/CVERecord?id=CVE-2026-34933
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34933.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-34933
Aliases
  • GHSA-w65r-6gxh-vhvc
Downstream
Related
Published
2026-04-03T22:43:26.683Z
Modified
2026-07-15T01:49:21.684833758Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Avahi: Reachable assertion in `transport_flags_from_domain()` via conflicting publish flags crashes avahi-daemon
Details

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 unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4.

Database specific 
{
    "cwe_ids": [
        "CWE-617"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34933.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/avahi/avahi

Affected ranges

Type
GIT
Repo
https://github.com/avahi/avahi
Events
Introduced
8ee3bd6f7921b489bde14f120187a5becf134d30
Fixed
625ca0fac19229f6dfa3a6c6b698ae657187e50c
Database specific 
{
    "cpe": [
        "cpe:2.3:a:avahi:avahi:0.9:rc1:*:*:*:*:*:*",
        "cpe:2.3:a:avahi:avahi:0.9:rc2:*:*:*:*:*:*",
        "cpe:2.3:a:avahi:avahi:0.9:rc3:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0.9-rc1"
        },
        {
            "last_affected": "0.9-rc1"
        },
        {
            "introduced": "0.9-rc2"
        },
        {
            "last_affected": "0.9-rc2"
        },
        {
            "introduced": "0.9-rc3"
        },
        {
            "last_affected": "0.9-rc3"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.9-rc1
0.9-rc2
0.9-rc3
v0.*
v0.9-rc1
v0.9-rc2
v0.9-rc3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34933.json"