Issued:
2022-03-14
Updated:
2022-03-14

RHSA-2022:0850 - Important: thunderbird security update

Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory Important

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 7.

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.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.7.0.

Security Fix(es):

  • Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

  • Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

  • expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

  • expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

  • expat: Integer overflow in storeRawNames() (CVE-2022-25315)

  • Mozilla: Use-after-free in text reflows (CVE-2022-26381)

  • Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

  • Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

  • Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

  • thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

  • Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to take effect.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Desktop7x86_64

Updated Packages

  • thunderbird-91.7.0-2.el7_9.ppc64le.rpm
  • thunderbird-debuginfo-91.7.0-2.el7_9.ppc64le.rpm
  • thunderbird-debuginfo-91.7.0-2.el7_9.x86_64.rpm
  • thunderbird-91.7.0-2.el7_9.src.rpm
  • thunderbird-91.7.0-2.el7_9.x86_64.rpm

Fixes

CVEs

References

Additional information