rhsa-2020_1496
Vulnerability from csaf_redhat
Published
2020-04-16 20:31
Modified
2024-11-05 22:04
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.7.0. Security Fix(es): * Mozilla: Use-after-free while running the nsDocShell destructor (CVE-2020-6819) * Mozilla: Use-after-free when handling a ReadableStream (CVE-2020-6820) * Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method (CVE-2020-6821) * Mozilla: Memory safety bugs fixed in Firefox 75 and Firefox ESR 68.7 (CVE-2020-6825) * Mozilla: Out of bounds write in GMPDecodeData when processing large images (CVE-2020-6822) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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          "date": "2020-04-16T20:31:11+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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            "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",
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          "category": "exploit_status",
          "date": "2021-11-03T00:00:00+00:00",
          "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
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          "category": "impact",
          "details": "Critical"
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          "category": "external",
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        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-11/#CVE-2020-6820",
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          "category": "external",
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          "category": "impact",
          "details": "Critical"
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      ],
      "title": "Mozilla: Use-after-free when handling a ReadableStream"
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        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      "title": "Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method"
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          "title": "Vulnerability description"
        },
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          "category": "summary",
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        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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            "AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.7.0-1.el8_0.x86_64",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.7.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.7.0-1.el8_0.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:1496"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.7.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.7.0-1.el8_0.src",
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.7.0-1.el8_0.x86_64",
            "AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.7.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.7.0-1.el8_0.x86_64",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.7.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.7.0-1.el8_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 75 and Firefox ESR 68.7"
    }
  ]
}


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