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CVE-2020-15656

Estado: ModificadaAlta (8.8)—

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

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 (5)

Canonical — Ubuntu LinuxMozilla — FirefoxMozilla — Firefox ESRMozilla — ThunderbirdOpensuse — Leap

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-15656",
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          "authentication": "NONE",
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  "published": "2020-08-10T18:15:12.547",
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      "value": "JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1."
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      "value": "Las optimizaciones JIT que involucran el objeto de argumentos de Javascript podrían confundir optimizaciones posteriores. Este riesgo ya fue mitigado por varias precauciones en el código, resultando en este error calificado con una severidad moderada. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 78.1, Firefox versiones anteriores a 79 y Thunderbird versiones anteriores a 78.1"
    }
  ],
  "lastModified": "2026-06-17T02:56:59.750",
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