fkie_cve-2020-26974
Vulnerability from fkie_nvd
Published
2021-01-07 14:15
Modified
2024-11-21 05:20
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1681022Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1681022Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *


To clipboard 

{
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   cveTags: [],
   descriptions: [
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         lang: "en",
         value: "When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.",
      },
      {
         lang: "es",
         value: "Cuando flex-basis fue usada en un contenedor de tabla, un objeto StyleGenericFlexBasis podría haberse convertido incorrectamente en el tipo equivocado.&#xa0;Esto resultó en uso de la memoria previamente liberada de la pila, una corrupción de la memoria y un bloqueo potencialmente explotable.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 84, Thunderbird versiones anteriores a 78,6 y Firefox ESR versiones anteriores a 78,6",
      },
   ],
   id: "CVE-2020-26974",
   lastModified: "2024-11-21T05:20:36.540",
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               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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   published: "2021-01-07T14:15:12.000",
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   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
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               value: "CWE-787",
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   ],
}


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