QID 240520

Date Published: 2022-07-04

QID 240520: Red Hat Update for firefox (RHSA-2022:5479)

mozilla firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):
  • mozilla: csp sandbox header without `allow-scripts` can be bypassed via retargeted javascript: uri (cve-2022-34468)
  • mozilla: use-after-free in nsshistory (cve-2022-34470)
  • mozilla: a popup window could be resized in a way to overlay the address bar with web content (cve-2022-34479)
  • mozilla: memory safety bugs fixed in firefox 102 and firefox esr 91.11 (cve-2022-34484)
  • mozilla: undesired attributes could be set as part of prototype pollution (cve-2022-2200)
  • mozilla: csp bypass enabling stylesheet injection (cve-2022-31744)
  • mozilla: unavailable pac file resulted in ocsp requests being blocked (cve-2022-34472)
  • mozilla: potential integer overflow in replaceelementsat (cve-2022-34481)


  • Red Hat enterprise linux server 7 x86_64
  • Red Hat enterprise linux workstation 7 x86_64
  • Red Hat enterprise linux desktop 7 x86_64
  • Red Hat enterprise linux for ibm z systems 7 s390x
  • Red Hat enterprise linux for power, big endian 7 ppc64
  • Red Hat enterprise linux for power, little endian 7 ppc64le

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Refer to Red Hat security advisory RHSA-2022:5479 for updates and patch information.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:5479 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:5479