CVE-2025-68471

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Source
https://cve.org/CVERecord?id=CVE-2025-68471
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68471.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-68471
Aliases
  • GHSA-56rf-42xr-qmmg
Downstream
Published
2026-01-12T17:39:57.416Z
Modified
2026-01-15T05:53:02.717523Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Avahi has a reachable assertion in lookup_start
Details

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart.

Database specific 
{
    "cwe_ids": [
        "CWE-617"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68471.json"
}
References

Affected packages

Git / github.com/avahi/avahi

Affected ranges

Type
GIT
Repo
https://github.com/avahi/avahi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1

Affected versions

0.*

0.6.32-rc

v0.*

v0.6.23
v0.6.24
v0.6.25
v0.6.26
v0.6.27
v0.6.28
v0.6.29
v0.6.30
v0.6.31
v0.6.32
v0.7
v0.8
v0.9-rc1
v0.9-rc2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68471.json"

vanir_signatures

[
    {
        "source": "https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1",
        "digest": {
            "length": 761.0,
            "function_hash": "285681115689231934736972820592826652179"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function",
        "target": {
            "file": "avahi-core/browse.c",
            "function": "lookup_start"
        },
        "id": "CVE-2025-68471-8b800984"
    },
    {
        "source": "https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1",
        "digest": {
            "line_hashes": [
                "131477049406147028042511519061365218720",
                "69024678338108153641727758570983173709",
                "91183894014825058501342759438232662511",
                "263085132819081757133558578820548525645"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "avahi-core/browse.c"
        },
        "id": "CVE-2025-68471-94d1d7b8"
    }
]