CVE-2026-7836 (GCVE-0-2026-7836)

Vulnerability from cvelistv5 – Published: 2026-05-21 07:35 – Updated: 2026-05-21 07:35
VLAI?
Title
hextoint macro uppercase bug
Summary
In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0.
CWE
Assigner
References
Impacted products
Vendor Product Version
Netatalk Netatalk Affected: 2.0.0 , ≤ 4.4.2 (semver)
Unaffected: 4.5.0 (semver)
Create a notification for this product.
Date Public ?
2026-05-13 00:00
Credits
Arjun Basnet from Securin
Show details on NVD website

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        {
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          "vendor": "Netatalk",
          "versions": [
            {
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              "status": "affected",
              "version": "2.0.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.5.0",
              "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, hextoint macro uppercase bug. Fixed in 4.5.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-682",
              "description": "Incorrect Calculation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-21T07:35:13.096Z",
        "orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "shortName": "securin"
      },
      "references": [
        {
          "name": "Netatalk Security Advisory CVE-2026-7836",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://netatalk.io/security/CVE-2026-7836"
        }
      ],
      "title": "hextoint macro uppercase bug"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-7836",
    "datePublished": "2026-05-21T07:35:13.096Z",
    "dateReserved": "2026-05-05T07:25:35.245Z",
    "dateUpdated": "2026-05-21T07:35:13.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-7836\",\"sourceIdentifier\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"published\":\"2026-05-21T08:16:23.403\",\"lastModified\":\"2026-05-21T08:16:23.403\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":3.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-682\"}]}],\"references\":[{\"url\":\"https://netatalk.io/security/CVE-2026-7836\",\"source\":\"33c584b5-0579-4c06-b2a0-8d8329fcab9c\"}]}}"
  }
}


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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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Detection rules are retrieved from Rulezet.

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