rhsa-2021_0299
Vulnerability from csaf_redhat
Published
2021-01-28 16:38
Modified
2024-11-05 23:13
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 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 78.7.0. Security Fix(es): * Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953) * Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954) * Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964) * Mozilla: IMAP Response Injection when using STARTTLS (CVE-2020-15685) * Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976) * Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960) 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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  "vulnerabilities": [
    {
      "acknowledgments": [
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          "names": [
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          "category": "description",
          "text": "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes that during the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: IMAP Response Injection when using STARTTLS",
          "title": "Vulnerability summary"
        },
        {
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          "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.",
          "title": "Statement"
        },
        {
          "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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          "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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  ]
}


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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.
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