RHSA-2022:0824CriticalCVSS 9.8

Red Hat Security Advisory: firefox security and bug fix update

Published
March 10, 2022
Last Modified
September 21, 2026

🔗 CVE IDs covered (13)

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

📋 Description

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 products24

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • firefox-0:91.7.0-3.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • firefox-0:91.7.0-3.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • firefox-0:91.7.0-3.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • firefox-0:91.7.0-3.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:91.7.0-3.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:91.7.0-3.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:91.7.0-3.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-0:91.7.0-3.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:91.7.0-3.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • firefox-0:91.7.0-3.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-0:91.7.0-3.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-0:91.7.0-3.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • firefox-debuginfo-0:91.7.0-3.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:91.7.0-3.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:91.7.0-3.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:91.7.0-3.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • firefox-debuginfo-0:91.7.0-3.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • firefox-debuginfo-0:91.7.0-3.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 After installing the update, Firefox must be restarted for the changes 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)