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CVE-2021-29361

Status: ModifiedHigh (7.8)—

A buffer overflow vulnerability in FORMATS!Read_Utah_RLE+0x340 of Irfanview 4.57 allows attackers to execute arbitrary code via a crafted RLE file.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Irfanview — Irfanview

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-29361",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2021-09-28T16:15:08.057",
  "references": [
    {
      "url": "https://github.com/moshekaplan/Research/tree/main/IrfanView",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
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      "url": "https://github.com/moshekaplan/Research/tree/main/IrfanView",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow vulnerability in FORMATS!Read_Utah_RLE+0x340 of Irfanview 4.57 allows attackers to execute arbitrary code via a crafted RLE file."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de desbordamiento del búfer en el componente FORMATS!Read_Utah_RLE+0x340 de Irfanview versión 4.57, permite a atacantes ejecutar código arbitrario por medio de un archivo RLE diseñado"
    }
  ],
  "lastModified": "2026-06-17T03:47:32.710",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:irfanview:irfanview:4.57:*:*:*:*:*:*:*",
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  "sourceIdentifier": "cve@mitre.org"
}