rhsa-2021_5048
Vulnerability from csaf_redhat
Published
2021-12-09 12:43
Modified
2024-11-06 00:14
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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 91.4.0. Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116) * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536) * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537) * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538) * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539) * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541) * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542) * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543) * Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528) * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545) * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546) 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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        "text": "An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.\n\nRed 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.",
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        "text": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nThis update upgrades Thunderbird to version 91.4.0.\n\nSecurity Fix(es):\n\n* Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116)\n\n* Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)\n\n* Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)\n\n* Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)\n\n* Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)\n\n* Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)\n\n* Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)\n\n* Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)\n\n* Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)\n\n* Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)\n\n* Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)\n\nFor 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.",
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      ],
      "title": "Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.