Red Hat Security Advisory: thunderbird security update

Fixed packages 6

Vulnerabilities 7

• Critical 9.8
  CVE-2021-32810

  Data race in crossbeam-deque

  crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of oth…

  crossbeam-rs crossbeam firefox firefox-esr Debian Ubuntu Alpine crates.io
  Aug 2, 2021
• Unscored —
  CVE-2021-38496

  During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corru…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Nov 3, 2021
• Unscored —
  CVE-2021-38497

  Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another …

  Mozilla Firefox Thunderbird Firefox ESR Browsers Ubuntu Alpine
  Nov 3, 2021
• Unscored —
  CVE-2021-38498

  During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Ubuntu Alpine
  Nov 3, 2021
• Unscored —
  CVE-2021-38500

  Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed ev…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Debian Ubuntu Alpine
  Nov 3, 2021
• Unscored —
  CVE-2021-38501

  Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed ev…

  Mozilla Firefox Thunderbird Firefox ESR Browsers Ubuntu Alpine
  Nov 3, 2021
• Unscored —
  CVE-2021-38502

  Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downg…

  Mozilla Thunderbird thunderbird thunderbird Debian Ubuntu Alpine
  Nov 3, 2021

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1990342
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2011097
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2011098
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2011099
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2011100
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2011101
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2013469
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3841.json
• report
  https://access.redhat.com/security/cve/CVE-2021-32810
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-32810
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-32810
• report
  https://access.redhat.com/security/cve/CVE-2021-38496
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38496
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38496
• report
  https://access.redhat.com/security/cve/CVE-2021-38497
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38497
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38497
• report
  https://access.redhat.com/security/cve/CVE-2021-38498
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38498
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38498
• report
  https://access.redhat.com/security/cve/CVE-2021-38500
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38500
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38500
• report
  https://access.redhat.com/security/cve/CVE-2021-38501
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38501
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38501
• report
  https://access.redhat.com/security/cve/CVE-2021-38502
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-38502
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-38502