FKIE_CVE-2021-29966

Vulnerability from fkie_nvd - Published: 2021-06-24 14:15 - Updated: 2024-11-21 06:02
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Mozilla developers reported memory safety bugs present in Firefox 88. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 89.
References
security@mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1660307%2C1686154%2C1702948%2C1708124Broken Link, Issue Tracking
security@mozilla.orghttps://security.gentoo.org/glsa/202107-09Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-23/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/buglist.cgi?bug_id=1660307%2C1686154%2C1702948%2C1708124Broken Link, Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-09Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-23/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
To clipboard 

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  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla developers reported memory safety bugs present in Firefox 88. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 89."
    },
    {
      "lang": "es",
      "value": "Los desarrolladores de Mozilla han reportado bugs de seguridad de memoria presentes en Firefox versi\u00f3n 88. Algunos de estos bugs mostraban evidencias de corrupci\u00f3n de memoria y presumimos que con suficiente esfuerzo algunos de ellos podr\u00edan haber sido explotados para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 89"
    }
  ],
  "id": "CVE-2021-29966",
  "lastModified": "2024-11-21T06:02:04.670",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
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  "published": "2021-06-24T14:15:10.393",
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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