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CVE-2024-4770

Status: AnalyzedHigh (8.8)—

When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

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)

Mozilla — FirefoxMozilla — Thunderbird

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-4770",
  "cveTags": [],
  "metrics": {
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          "options": [
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          "timestamp": "2024-05-15T14:03:13.815412Z"
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      "value": "When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11."
    },
    {
      "lang": "es",
      "value": "Al guardar una página en PDF, ciertos estilos de fuente podrían haber provocado un posible bloqueo del use-after-free. Esta vulnerabilidad afecta a Firefox &lt; 126, Firefox ESR &lt; 115.11 y Thunderbird &lt; 115.11."
    }
  ],
  "lastModified": "2026-06-17T08:02:52.127",
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