FKIE_CVE-2026-28420

Vulnerability from fkie_nvd - Published: 2026-02-27 22:16 - Updated: 2026-03-04 20:47
Severity ?
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Summary
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.
References
security-advisories@github.comhttps://github.com/vim/vim/commit/bb6de2105b160e729c34063Patch
security-advisories@github.comhttps://github.com/vim/vim/releases/tag/v9.2.0076Product
security-advisories@github.comhttps://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phgPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/02/27/9Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
vim vim *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "84ED21C8-279B-4954-AEE5-9E56089D7EB6",
              "versionEndExcluding": "9.2.0076",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim\u0027s terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vim es un editor de texto de c\u00f3digo abierto y de l\u00ednea de comandos. Antes de la versi\u00f3n 9.2.0076, hay una escritura de desbordamiento de b\u00fafer basado en mont\u00edculo y una lectura fuera de l\u00edmites en el emulador de terminal de Vim al procesar caracteres combinatorios m\u00e1ximos de planos suplementarios de Unicode. La versi\u00f3n 9.2.0076 corrige el problema."
    }
  ],
  "id": "CVE-2026-28420",
  "lastModified": "2026-03-04T20:47:23.017",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 2.5,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-27T22:16:25.330",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/vim/vim/commit/bb6de2105b160e729c34063"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/vim/vim/releases/tag/v9.2.0076"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Patch",
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      "url": "http://www.openwall.com/lists/oss-security/2026/02/27/9"
    }
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  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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Sightings

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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • 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.



Detection rules are retrieved from Rulezet.