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CVE-2018-5747

Status: ModifiedMedium (5.5)—

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz 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 (2)

Debian — Debian LinuxLong Range ZIP Project — Long Range ZIP

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-5747",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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          "confidentialityImpact": "NONE"
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  "published": "2018-01-17T19:29:00.273",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the ucompthread function (stream.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file."
    },
    {
      "lang": "es",
      "value": "En Long Range Zip (también conocido como lrzip) 0.631, hay un uso de memoria previamente liberada en la función ucompthread (stream.c). Los atacantes remotos pueden aprovechar esta vulnerabilidad para provocar una denegación de servicio (DoS) mediante un archivo lrz manipulado."
    }
  ],
  "lastModified": "2026-06-17T02:00:42.693",
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    {
      "nodes": [
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