RHSA-2022:0850HighCVSS 9.8

Red Hat Security Advisory: thunderbird security update

Published
March 14, 2022
Last Modified
September 21, 2026

🔗 CVE IDs covered (14)

CVE-2022-22823 →CVE-2022-22824 →CVE-2022-25315 →CVE-2022-26381 →CVE-2022-26485 →CVE-2022-22822 →CVE-2022-25235 →CVE-2022-25236 →CVE-2022-26383 →CVE-2022-26384 →CVE-2022-26386 →CVE-2022-26387 →CVE-2022-26486 →CVE-2022-0566 →

📋 Description

CVE-2022-0566 — thunderbird: Crafted email could trigger an out-of-bounds write CVE-2022-22822 — expat: Integer overflow in addBinding in xmlparse.c CVE-2022-22823 — expat: Expat: Denial of Service vulnerability in XML parsing CVE-2022-22824 — expat: Expat: Denial of service and memory issues due to integer overflow CVE-2022-25235 — expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution CVE-2022-25236 — expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution CVE-2022-25315 — expat: Integer overflow in storeRawNames() CVE-2022-26381 — Mozilla: Use-after-free in text reflows CVE-2022-26383 — Mozilla: Browser window spoof using fullscreen mode CVE-2022-26384 — Mozilla: iframe allow-scripts sandbox bypass CVE-2022-26386 — Mozilla: Temporary files downloaded to /tmp and accessible by other local users CVE-2022-26387 — Mozilla: Time-of-check time-of-use bug when verifying add-on signatures CVE-2022-26485 — Mozilla: Use-after-free in XSLT parameter processing CVE-2022-26486 — Mozilla: Use-after-free in WebGPU IPC Framework

🎯 Affected products14

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.src as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • thunderbird-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • thunderbird-debuginfo-0:91.7.0-2.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • thunderbird-debuginfo-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • thunderbird-debuginfo-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • thunderbird-debuginfo-0:91.7.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)

✅ Remediation

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. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: There is no known mitigation other than restricting applications using the expat library from processing untrusted XML content. Please update the affected packages as soon as possible.

🔗 References (14)