gsd-2020-26974
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
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.
Aliases
Aliases
CVE-2020-26974


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-26974",
    "description": "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 \u003c 84, Thunderbird \u003c 78.6, and Firefox ESR \u003c 78.6.",
    "id": "GSD-2020-26974",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-26974.html",
      "https://www.debian.org/security/2020/dsa-4815",
      "https://www.debian.org/security/2020/dsa-4813",
      "https://access.redhat.com/errata/RHSA-2020:5645",
      "https://access.redhat.com/errata/RHSA-2020:5644",
      "https://access.redhat.com/errata/RHSA-2020:5624",
      "https://access.redhat.com/errata/RHSA-2020:5622",
      "https://access.redhat.com/errata/RHSA-2020:5618",
      "https://access.redhat.com/errata/RHSA-2020:5565",
      "https://access.redhat.com/errata/RHSA-2020:5564",
      "https://access.redhat.com/errata/RHSA-2020:5563",
      "https://access.redhat.com/errata/RHSA-2020:5562",
      "https://access.redhat.com/errata/RHSA-2020:5561",
      "https://ubuntu.com/security/CVE-2020-26974",
      "https://advisories.mageia.org/CVE-2020-26974.html",
      "https://security.archlinux.org/CVE-2020-26974",
      "https://linux.oracle.com/cve/CVE-2020-26974.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-26974"
      ],
      "details": "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 \u003c 84, Thunderbird \u003c 78.6, and Firefox ESR \u003c 78.6.",
      "id": "GSD-2020-26974",
      "modified": "2023-12-13T01:22:08.910909Z",
      "schema_version": "1.4.0"
    }
  },
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-01-12T14:56Z",
      "publishedDate": "2021-01-07T14:15Z"
    }
  }
}


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