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CVE-2023-49554

Estado: ModificadaMedia (5.5)—

Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Yasm Project — Yasm

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-49554",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-49554",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-01-08T20:35:59.481268Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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  "published": "2024-01-03T00:15:08.987",
  "references": [
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      "url": "https://github.com/yasm/yasm/issues/249",
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-416"
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  "descriptions": [
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    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Use After Free en YASM 1.3.0.86.g9def permite que un atacante remoto provoque una denegación de servicio a través de la función do_directive en el componente modules/preprocs/nasm/nasm-pp.c."
    }
  ],
  "lastModified": "2026-06-17T06:36:08.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "cve@mitre.org"
}