CVE-2026-44050 (GCVE-0-2026-44050)
Vulnerability from cvelistv5 – Published: 2026-05-21 07:34 – Updated: 2026-05-21 07:34
VLAI?
Title
Heap buffer overflow in CNID daemon comm_rcv()
Summary
In Netatalk 2.0.0 through 4.4.2, heap buffer overflow in cnid daemon comm_rcv(). Fixed in 4.4.3.
Severity ?
9.9 (Critical)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://netatalk.io/security/CVE-2026-44050 | vendor-advisory |
Impacted products
Date Public ?
2026-05-13 00:00
Credits
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Netatalk",
"vendor": "Netatalk",
"versions": [
{
"lessThanOrEqual": "4.4.2",
"status": "affected",
"version": "2.0.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.4.3",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Arjun Basnet from Securin"
}
],
"datePublic": "2026-05-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "In Netatalk 2.0.0 through 4.4.2, heap buffer overflow in cnid daemon comm_rcv(). Fixed in 4.4.3."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-21T07:34:21.459Z",
"orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
"shortName": "securin"
},
"references": [
{
"name": "Netatalk Security Advisory CVE-2026-44050",
"tags": [
"vendor-advisory"
],
"url": "https://netatalk.io/security/CVE-2026-44050"
}
],
"title": "Heap buffer overflow in CNID daemon comm_rcv()"
}
},
"cveMetadata": {
"assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
"assignerShortName": "securin",
"cveId": "CVE-2026-44050",
"datePublished": "2026-05-21T07:34:21.459Z",
"dateReserved": "2026-05-05T07:24:42.291Z",
"dateUpdated": "2026-05-21T07:34:21.459Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-44050\",\"sourceIdentifier\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"published\":\"2026-05-21T08:16:20.580\",\"lastModified\":\"2026-05-21T08:16:20.580\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Netatalk 2.0.0 through 4.4.2, heap buffer overflow in cnid daemon comm_rcv(). Fixed in 4.4.3.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.9,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.1,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]}],\"references\":[{\"url\":\"https://netatalk.io/security/CVE-2026-44050\",\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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