CVE-2026-43798 (GCVE-0-2026-43798)

Vulnerability from cvelistv5 – Published: 2026-08-20 21:07 – Updated: 2026-08-20 21:08
VLAI
Summary
A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1.
Severity
No CVSS data available.
CWE
  • A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh.
Assigner
References
Impacted products
Vendor Product Version CPE status
Apple swift-nio-ssh Affected: 0 , < 0.14.1 (custom)
guessed Create a notification for this product.
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh.",
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      "providerMetadata": {
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      "references": [
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          "url": "https://github.com/apple/swift-nio-ssh/security/advisories/GHSA-998x-vgvp-xwpc"
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  "cveMetadata": {
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    "assignerShortName": "apple",
    "cveId": "CVE-2026-43798",
    "datePublished": "2026-08-20T21:07:01.719Z",
    "dateReserved": "2026-05-01T22:46:27.820Z",
    "dateUpdated": "2026-08-20T21:08:48.199Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-08-24",
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      "percentile": "0.04049"
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  }
}



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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.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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